Question

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(1/2a+1/3b)^3​

Answer 1

Hola Mate!!

Identities :- (a+b)³ = a³+b³+3ab(a+b)

(1/2a+1/3b)³

=> (1/2a)³+(1/3b)³+3×1/2a×1/3b(1/2a+1/3b)

=> 1/8a³+1/27a³+1/2ab(1/2a+1/3b)

=> 18a³+1/27a³+1/4a²b+1/6ab²

Hopes its help u ❤❤❤❤

Answer 2

Answer:

(2a−3b)  

3

=(2a)  

3

+(−3b)  

3

+3(2a)(−3b)(2a−3b)

                  =8a  

3

−27b  

3

−18ab(2a−3b)

                  =8a  

3

−27b  

3

−36a  

2

b+54ab  

2