Tag Archives: cobinations

We might have heard about Factorials right from our childhood and also one of the best example learning any programming language. In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positiveintegers less than or equal to n. For example, 5 ! = 5 * 4 * 3 * 2 * 1 = 120 4!Continue reading “Factorials and Combination”