Class X

Arithmetic Progressions 1.What is a Sequence? A sequence is an arrangement of numbers in a definite order...

Quadratic Equations 1.Introduction to Quadratic equation If p(x) is a quadratic polynomial, then p(x) = 0 is...

Pair of Linear Equations in Two Variables 1.A pair of Linear Equations in two variables: An equation...

Polynomials 1.What is a polynomial? A polynomial p(x) in one variable x is an algebraic expression in...

Real Numbers Euclid’s Division Lemma: Given positive integers a and b, there exists unique integers q and...