Question

The coefficients corresponding to k = 0,1,2, ...,4 in the expansion of (x+y)^4 are____

Answer 1

B

1,4,6,4,1

Explanation:

(x+y)^4

x^4+ 4x^3y+ 6x^2y^2+ 4xy^3+ y^4

the coefficients are :1,4,6,4,1