Question

which one of the following options is true when considering the expansion of the binomial expression (x+y)^4?A) The sum of the exponents of each term of the expansion of (x+y)^4 is 5.B) The expansion of (x+y)^4 will yield 4 termsC) The last term of the expansion of (x+y)^4 is y^4D) The coefficients of the expansion of (x+y)^4 are: 1,4,4,1.

Answer 1

Given:

`(x+y)^4`

To Determine: The binomial expansion of the given

Solution

Using binomial expansion formula below

`(x+y)^n=\sum_{k\mathop{=}0}^n(^n_k)x^(n-k)y^k`