JEE Revision Notes and Important Formulas on Permutation and Combination 1. Factorial Factorial: the continued product of first n natural numbers is called
[...]

JEE Mathematics Notes on Sequences and Series Sequence A sequence is a set of values which are in a particular order. Mathematically, a sequence is defined as
[...]

The quadratic equations are of the form ax2+bx+c =0, where x represents an unknown, and a, b, and c are constants with a not equal to 0. Discriminant of a
[...]