(3a-2b)^3 what is Answer this question
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(a-b)^3=a^3-b^3-3a^2b+3ab^2
....(3a-2b)^3=(3a)^3- (2b)^3-3×(3a)^2×(2b)+3×3a×(2b)^2
=27a^3- 8b^3-54a^2b+36ab^2
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