Question

PLEASE HELP The coefficients of the first four terms in the expansion of (a + b) ^5 are a) 1, 3, 5, 7 b) 1, 4, 6, 4 c) 1, 2, 3, 4, 5 d) 1, 5, 10, 10

Answer 1

answer is D

Explanation:

Answer 2

D is the correct answer

Explanation:

Fifth row of Pascal pyramid is 1 , 5, 10, 10, 5 , 1

The expansion should always have n + 1 number of terms

Where n is the power