Question

proof binomial theorem​

Answer 1

Answer:

In elementary algebra, the binomial theorem (or binomial expansion) describes the algebraic expansion of powers of a binomial. According to the theorem, it is possible to expand the polynomial (x + y)n into a sum involving terms of the form axbyc, 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. For example (for n = 4),

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Answer 2

Answer:

(nr−1)+(nr)=(n+1r),for0<r≤n. (a+b)n=an+(n1)an−1b+(n2)an−2b2+⋯+(nr)an−rbr+⋯+(nn−1)abn−1+>bn. We first note that the result is true for n=1 and n=2.

Step-by-step explanation:

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