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Class X Chapter 3 Lesson 4

Class X CBSE Maths/Ch 3 (PAIR OF LINEAR EQUATIONS IN TWO VARIABLES)Lesson 4 Solving word problems based on Pair of Linear Equations by Substitution Method

Class IX Chapter 2 Polynomial Ex-2.5 Q.7 to Q.10

Class IX CBSE Maths/Ch 2 (Polynomials) Ex 2.5 Q.7 to Q.10 Algebraic Identities(x + y + z)^2 = x^2 + y^2 + z^2 + 2xy + 2yz + 2zx(x + y)^3 = x^3 + y^3 + 3xy (x + y) = x^3 + y^3 + 3x^2y + 3xy^2(x – y)^3 ...

Class 9 Ch 2 Ex2 5 Q3 Q4 Q5 Q6 Algebraic Identities(x + y + z)^2 = x^2 + y^2 + z^2 + 2xy + 2yz + 2zx(x + y)^3 = x^3 + y^3 + 3xy (x + y) = x^3 + y^3 + 3x^2y + 3xy^2(x – y)^3 ...

Ch 3 Lesson 3 Algebraic Methods of Solving a Pair of Linear EquationsSubstitution Method

Class X Chapter 3

Ch 3 Lesson 2 Algebraic Methods of Solving a Pair of Linear EquationsSubstitution Method

Class 9 Chapter 2 Polynomials

Class 9 Ch2 Polynomials Ex 2.4 Q 5 (ii) and Ex 2.5 Q 1 and Q 2 Algebraic identities Identity I : (x + y)^2 = x^2 + 2xy + y^2Identity II : (x – y)^2 = x^2 – 2xy + y^2Identity III : x^2 – y^2 = (x + y) (x – y)Identity IV :...

Class IX Factoring Cubic Polynomials

Class IX Ch - 2 Ex 2.4 Q.5 Factorising cubic polynomials Using the Factor Theorem to factorise some polynomials of degree 3.

Class X Chapter 3 Lesson -1
(Pair of linear equation in 2 variables)

Class X Ch - 3 Lesson - 1 (PAIR OF LINEAR EQUATIONS IN TWO VARIABLES) The lines representing a pair of linear equations in two variables may intersect in a single point. In this case, the pair of equations has a unique solution...