Question

find the values of the following polynomials
at
a= -2 and b = 3
a³- 3a²b + 3b² - b³​

Answer 1

Answer:

8

Step-by-step explanation:

it can be done in 2 ways according to the marks.

for 1 or 2 marker, you can simply substitute the value but for 3 marker or above, you should first factories the expression and then substitute the value.

by easier method,

ans = 8