What do you mean by binomial coefficient

Binomial coefficient:

In mathematics, the binomial coefficients are the positive integers that occur as coefficients in the binomial theorem. Commonly, a binomial coefficient is indexed by a pair of integers n ≥ k ≥ 0 and is written .

It is the coefficient of the  term in the polynomial expansion of the binomial power , and it is given by the formula

what do you mean by fog

step-by-step explanation:

the answer is 11.2 (i know i’m late)