Using Pascal’s Triangle, write out the expansion of (a+1)^3 .(1 point)

Answer 1

The expansion of (a+1)^3 using Pascal's Triangle is as follows:

(a+1)^3 = 1(a^3) + 3(a^2)(1^1) + 3(a^1)(1^2) + 1(1^3)

Simplifying this expression, we get:

(a+1)^3 = a^3 + 3a^2 + 3a + 1