Find the cube of 3a - 2b -27a-3 - 54b-3 -8a-2b - 36ab-227a-3 -8b-3 -54a-2b - 36ab-227a-3 -8b-3 -54a-2b - 36ab-227a-3 - 8b-3 - 54a-2b - 36ab-2

The correct option is B 27a^3 8b^3 54a^2b + 36ab^2( a b )^3 = a^3 b^3 3ab(a b) (3a 2b)^3 = (3a)^3 (2b)^3 3×3a×2b(3a 2b) = (3a)^3 (2b)^3 18 ...

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Expansion of (a ± b)³

Find the cube...

Question

Find the cube of 3a - 2b .

27 a^{3} - 8 b^{3} - 54 a^{2} b + 36 a b^{2}

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27 a^{3} - 54 b^{3} - 8 a^{2} b + 36 a b^{2}

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27 a^{3} + 8 b^{3} + 54 a^{2} b + 36 a b^{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

27 a^{3} - 8 b^{3} - 54 a^{2} b - 36 a b^{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

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Solution

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