Question

(1) (2a + b)3 – (2a - b)3​

Answer 1

Answer:

this is the answer hope it will help you

Answer 2

($a+b^{3}$)= $a^{3} +b^{3} +3a^{2} b+3ab^{2}$

$(a-b)^{3} =a^{3} -b^{3} -3a^{2} b+3ab^{2}$

(2a)^3+b^3+12a^2b+3ab^2-[(2a)^3-b^3-12a^2b+3ab^2]

2b^3+24a^2b