Question

Which statement about the simplified binomial expansion of (a + b)n, where n is a positive integer, is true?

Answer 1

C is the correct choice.

${}_nC_0=\dfrac{n!}{0!(n-0)!}=\dfrac{n!}{n!}=1$
${}_nC_n=\dfrac{n!}{n!(n-n)!}=\dfrac1{0!}=1$

Answer 2

Answer:

It Is C on Edge

Step-by-step explanation: