# Business Mathematics - Class XI Resources

The following list of online resources are provided as a sample of curated resources. New resources shall be added as we come across interesting and relevant online materials.

#### 1. Determinants

Description: A video contains introduction to determinants.

Core Concepts: 11B-A1 Determinants.

#### 2. Determinants of Order 2

Description: A video contains determinants of order 2.

Core Concepts: 11B-A1 Determinants of order 2.

#### 3. Determinants of Order 3

Description: A video contains determinants of order 3.

Core Concepts: 11B-A1 Determinants of order 3.

Description: The web link contains a worksheet on determinants of order 3.

Core Concepts: 11B-A1 Determinants.

#### 4. Minors & Co-Factors

Description: A video contains minors and co-factor.

Core Concepts: 11B-A1 Minors & co-factors.

#### 5. Minors & Cofactors of Order 2

Description: A video contains minors and co-factor of order 2.

Core Concepts: 11B-A1 Co-factors & minors.

#### 6. Minors & Cofactors of Order 3

Description: A video contains minors and co-factor of order 3.

Core Concepts: 11B-A1 Co-factors & minors.

#### 7. Cramer’s Rule

Description: A video contains a Cramer’s rule: step by step method.

Core Concepts: 11B-A1 Cramer’s rule.

Description: The web link contains worksheets contains Cramer’s rule worksheet.

Core Concepts: 11B-A1 Cramer’s rule.

#### 8. Logarithm

Description: The web link contains a worksheet on exponent.

Core Concepts: 11B-A2 Law of exponent.

Description: The web link contains the definition on logarithm.

Core Concepts: 11B-A2 Definition of logarithm.

Description: The web link contains the laws and theorem on logarithm.

Core Concepts: 11B-A2 Laws of logarithms.

Description: The video link contains evaluating logarithm.

Core Concepts: 11B-A2 Evaluating logarithm.

Description: The weblink contains the application of logarithmic in reality.

Core Concepts: 11B-A2 Application of logarithm.

#### 9. Binomial Theorem

Description: The link guides on binomial expansion.

Core Concepts: 11B-A3 Binomial Expansion.

Description: The link explains the Pascal’s triangle.

Core Concepts: 11B-A3 Pascal’s triangle.

Description: The web link contains the properties of binomial theorem.

Core Concepts: 11B-A3 Properties of binomial theorem.

Description: The web link contains the demonstration on binomial expansion.

Core Concepts: 11B-A3 Binomial expansion.

Description: The web link contains the finding of general term.

Core Concepts: 11B-A3 General term.

Description: This web link contains information on different types of deposits.

Core Concepts: 11B-A3 - Different types of deposits.

Description: This web link contains information on a calculator of interests on saving and fixed deposits with each example.

Core Concepts: 11B-A3 - Interest calculation on saving accounts.

Description: A video contains factorisation of a quadratic equation.

Core Concepts: 11B-B1 Factorisation.

#### 10. Different Types of Deposits

Description: This web link contains information on different types of deposits.

Core Concepts: 11B-A3 - Different types of deposits.

Description: This web link contains information on a calculator of interests on saving and fixed deposits with each example.

Core Concepts: 11B-A3 - Interest calculation on saving accounts.

#### 11. Factorisation

Description: A video contains factorisation of a quadratic equation.

Core Concepts: 11B-B1 Factorisation.

Description: A video explains how to solve quadratic equations using a factorisation.

Core Concepts: 11B-B2 Factorisation.

Description: A web link contains the worksheets on factorisation.

Core Concepts: 11B-B1 Factorisation.

#### 12.  Factor Theorem

Description: The web link contains worksheet on factor theorem.

Core Concepts: 11B-B1 Factor Theorem.

Description: A video explains how to solve quadratic equations using factor Theorem.

Core Concepts: 11B-B1 Factor Theorem.

Description: A video explains how to solve quadratic equations using factor Theorem.

Core Concepts: 11B-B1 Factor Theorem.

#### 13.  Remainder Theorem

Description: A video contains the factor and remainder theorem of cubic polynomials.

Core Concepts: 11B-B1 Remainder Theorem.

Description: A worksheet contains finding remainder of cubic polynomials

Core Concepts: 11B-B1 Remainder Theorem.

#### 14.  Formula Method

Description: A video explains how to solve quadratic equations using a formula method.

Core Concepts: 11B-B2 Formula method.

Description: A video explains how to solve quadratic equations using a formula method.

Core Concepts: 11B-B2 Formula method.

Description: The web link contains the GeoGebra spreadsheet to explore the characteristics of different forms of quadratic function.

#### 16.  Nature of Roots

Description: A video explains the nature of roots.

Core Concepts: 11B-B1 Nature of root.

#### 17.  Partial Fraction

Description: The web links contain the interpretation of partial fraction.

Core Concepts: 11B-B3 Meaning of partial fraction.

Description: The web links contain the demonstration of decomposition of partial fraction.

Core Concepts: 11B-B3 Decomposition of partial fraction.

#### 18.  Limits

Description: The web links contain the explanation of meaning of limit.

Core Concepts: 11B-B4 Meaning of limit.

Description: The web links contain theorems on limits.

Core Concepts: 11B-B4 Theorems on limits.

Description: The following web links contain various method of evaluating algebraic limits.

Core Concepts: 11B-B4 Evaluating algebraic limit.

Description: The web link contains a video on evaluating trigonometric limit.

Core Concepts: 11B-B4 Evaluating trigonometric limit.

#### 19.  Continuous Function

Description: A video contains a continuous function.

Core Concepts: 11B-B5 Continuous function.

Description: The web link contains questions on continuous functions in pdf.

Core Concepts: 11B-B5 Continuous function.

#### 20.  Test Continuity of Function

Description: A video contains test continuity of function.

Core Concepts: 11B-B5 Test continuity of function.

Description: The web link contains a worksheet on test continuity of function.

Core Concepts: 11B-B5 Test continuity of function.

Description: A video contains use of graph to test continuity.

Core Concepts: 11B-B5 Test continuity of function.

#### 21.  Removable Continuity

Description: A video contains removable continuity.

Core Concepts: 11B-B5 Removable continuity.

#### 22.  Continuity Over an Interval

Description: A video contains continuity over an interval.

Core Concepts: 11B-B5 Removable continuity.

#### 23.  Continuity & Discontinuity of Function

Description: The web link provide multiple choice questions on continuity and discontinuity of function.

Core Concepts: 11B-B5 Continuity & discontinuity of function.

#### 24.  Differentiation

Core Concepts: 11B-B6 Differentiation.

#### 25.  First Principle of Differentiation

Description: This video contains on how to differentiate using a first principle.

Core Concepts: 11B-B6 First principle.

#### 26.  Differentiation-Product Rule

Description: This video contains how to differentiate using a product rule.

Core Concepts: 11B-B6 Product rule.

#### 27.  Differentiation-Quotient Rule

Description: This video contains how to differentiate using a quotient rule.

Core Concepts: 11B-B6 Quotient rule.

#### 28.  Differentiate T-Function

Description: A video contains how to differentiate t-function.

Core Concepts: 11B-B6 Differentiate t-functions.

#### 29.  Derivatives Application

Description: A video contains application of derivatives.

Core Concepts: 11P-B6 Derivatives Application.

#### 30.  Points and Their Co-ordinates in 2D

Description: This web link contains a video on the Cartesian coordinate system with examples.

Core Concepts: 11B-CD1 Cartesian Co-ordinates.

#### 31.  Distance Formula

Description: This video contains how to find distance between the points and distance of a point from the origin using distance formula.

Core Concepts: 11B-CD1 Distance Formula.

Core Concepts: 11B-CD1 Distance formula.

#### 32.  Section Formula

Description: This web link contains a section formula.

Core Concepts: 11B-CD1 Section formula.

#### 33.  Internal Section Formula

Description: This video contains derivation of internal section formula.

Core Concepts: 11B-CD1 Internal section formula.

Description: This web link contains solved examples of internal section formula.

Core Concepts: 11B-CD1 Internal section formula.

#### 34.  External Section Formula

Description: This video contains solved examples of External section formula.

Core Concepts: 11B-CD1 External section formula.

#### 35.  Centroid of Triangle

Description: This video explains how to find the coordinates of the centroid of the triangle.

Core Concepts: 11B-CD1 Centroid of triangle.

#### 36.  Area of Triangle

Description: This video is on how to calculate the area of a triangle.

Core Concepts: 11B-CD1 Area of triangle.

Description: This video is on how to calculate the area of a quadrilateral.

Core Concepts: 11B-CD1 Area of quadrilateral.

#### 38.  Slope Intercept Form

Description: This web link contains a video on equation of line in slope intercept form.

Core Concepts: 11B-CD2 Slope intercept form.

#### 39.  Point Slope Form

Description: This web link contains a video on the equation of line in point slope form.

Core Concepts: 11B-CD2 Point slope form.

#### 40.  Two Points Form

Description: This web link contains a video on the equation of line in two points form.

Core Concepts: 11B-CD2 Two points form.

#### 41.  Normal Form

Description: This web link contains notes on the equation of line in normal form with solved examples.

Core Concepts: 11B-CD2 Normal form.

#### 42.  Intercept Form

Description: This web link contains notes on the equation of line in intercept form with solved examples.

Core Concepts: 11B-CD2 Intercept form.

#### 43.  Distance of a Point from a Line

Description: This web link contains problem solving on distance between two points.

Core Concepts: 11B-CD2 Distance of a point from line.

Description: This web link contains practice questions on distance of a point from a line.

Core Concepts: 11B-CD2 Distance of a point from a line.

#### 44.  Distance Between Parallel Line

Description: This web link contains derivation of distance between parallel lines and problem solving.

Core Concepts: 11B-CD2 Distance between parallel line.

#### 45.  Angular Bisector

Description: This web link contains a derivation of angular bisector and problem solving.

Core Concepts: 11B-CD2 Angular bisector.

#### 46.  Equation of Circle

Description: A video contains derivation on standard from.

Core Concepts: 11B- CD3 Equation of circle.

Description: A video contains derivations on various forms of the equation of circle.

Core Concepts: 11B- CD3 Equation of circle.

Description: A video contains derivations of the equation of circle in parametric form.

Core Concepts: 11B- CD3 Equation of circle.

#### 47.  Theorems on Circle

Description: A video contains Theorems on chords of a circle.

Core Concepts: 11B- CD3  Theorems on circle.

Description: A video contains Theorems on arcs and an angle.

Core Concepts: 11B- CD3  Theorems on circle.

Description: A video contains Theorems on tangent lines and circles.

Core Concepts: 11B- CD3  Theorems on circle.

Description: A video contains Theorems on angles in alternative segment.

Core Concepts: 11B- CD3  Theorems on circle.

48.  Measure of Central Tendency

Description: The web link contains video on computation of mean, median and mode.

Core Concepts: 11B-E1 Mean, median and mode.

#### 49.  Dispersion

Description: The web link contains the meaning of dispersion.

Core Concepts: 11B-E2 Dispersion.

Description: The web links contains the computation of quartiles.

Core Concepts: 11B-E2 Quartiles.

Description: The web link contains the meaning of standard deviation.

Core Concepts: 11B-E2 Standard deviation.

Description: The web links contain the computation of standard deviation.

Core Concepts: 11B-E2 Standard deviation calculation.

Description: The web link contains the meaning of mean deviation.

Core Concepts: 11B-E2 mean deviation.

Description: The web link contains the explanation of combined mean and combined standard deviation.

Core Concepts: 11B-E2 Combined mean and standard deviation.

Description: The web link contains the calculation of quartiles, standard deviation and mean deviation using excel.

Core Concepts: 11B-E2 Dispersion.

#### 50.  Probability Set Theory

Description: This web link contains notes and solved examples of set theory.

Core Concepts: 11B-E3 Set theory. 