Question

alpha + beta the whole cube

Answer 1

is derived from ( a + b )^3 formula.

i.e. (a+b)^3 = a^3 + b^3 + 3ab( a + b )

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

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

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

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

Done.

Answer 2

Hello here is your answer by Sujeet yaduvanshi ☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝

Question:- (a+b)³


Solution:-a³ + ab(a + b) + b³ 


Note:- a is represents alpha