Question

pls give answer with solution ​

Answer 1

Answer:

(2a + 3)^3 - (2a - 3)^3

(a + b)^3 = a^3 + b^3 + 3a^2b + 3ab^2

(a - b) ^3 = a^3 - b^3 - 3a^2b + 3ab^2

a = 2a. b = 3

by substituting a and b in the formula

we got the answer = 16a^3 + 108a

option 2