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Probability Class 12 Notes Maths Chapter 13

January 9, 2024 by Sastry CBSE

CBSE Class 12 Maths Notes Chapter 13 Probability Event: A subset of the sample space associated with a random experiment is called an event or a case. e.g. In tossing a coin, getting either head or tail is an event. Equally Likely Events: The given events are said to be equally likely if none of them is expected to occur in preference to the other. e.g. In throwing an … [Read more...]

Three Dimensional Geometry Class 12 Notes Maths Chapter 11

January 9, 2024 by Sastry CBSE

Three Dimensional Geometry Class 12 Notes Maths Chapter 11

CBSE Class 12 Maths Notes Chapter 11 Three Dimensional Geometry Direction Cosines of a Line: If the directed line OP makes angles α, β, and γ with positive X-axis, Y-axis and Z-axis respectively, then cos α, cos β, and cos γ, are called direction cosines of a line. They are denoted by l, m, and n. Therefore, l = cos α, m = cos β and n = cos γ. Also, sum of squares of direction … [Read more...]

Linear Programming Class 12 Notes Maths Chapter 12

January 9, 2024 by Sastry CBSE

CBSE Class 12 Maths Notes Chapter 12 Linear Programming Linear Programming Problem: A linear programming problem is one in which we have to find optimal value (maximum or minimum) of a linear function of several variables (called objective function) subject to certain conditions that the variables are non-negative and satisfying by a set of linear inequalities with variables, … [Read more...]

Vector Algebra Class 12 Notes Maths Chapter 10

January 9, 2024 by Sastry CBSE

Vector Algebra Class 12 Notes Maths Chapter 10

CBSE Class 12 Maths Notes Chapter 10 Vector Algebra Vector: Those quantities which have magnitude, as well as direction, are called vector quantities or vectors. Note: Those quantities which have only magnitude and no direction, are called scalar quantities. Representation of Vector: A directed line segment has magnitude as well as direction, so it is called vector denoted … [Read more...]

Differential Equations Class 12 Notes Maths Chapter 9

January 9, 2024 by Sastry CBSE

CBSE Class 12 Maths Notes Chapter 9 Differential Equations Differential Equation: An equation involving independent variable, dependent variable, derivatives of dependent variable with respect to independent variable and constant is called a differential equation. e.g. Ordinary Differential Equation: An equation involving derivatives of the dependent variable with … [Read more...]

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