Question

a plus b ka whole power n ​

Answer 1

According to the theorem, it is possible to expand the polynomial (x + y)n into a sum involving terms of the form a x ^b y^c, where the exponents b and c are nonnegative integers with b + c = n, and the coefficient a of each term is a specific positive integer depending on n and b.

Answer 2

(a+B) ²is a²+b²+2ab

hope this helps u