Expand : (i) (2a+b)3 (ii) (a−2b)3 (iii) (3x−2y)3 (iv) (x+5y)3 (v) – InterviewSolution

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1.

Expand : (i) (2a+b)3 (ii) (a−2b)3 (iii) (3x−2y)3 (iv) (x+5y)3 (v) (a+1a)3 (vi) (2a−12a)3

Answer»

Expand :

(i) $(2 a + b)^{3}$

(ii) $(a - 2 b)^{3}$

(iii) $(3 x - 2 y)^{3}$

(iv) $(x + 5 y)^{3}$

(v) ${(a + \frac{1}{a})}^{3}$

(vi) ${(2 a - \frac{1}{2 a})}^{3}$

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