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Question

Factorize : 8a327−b38

A
(4a3b2)(4a79+ab3b34)
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B
(2a3b2)(4a213+ab3+b234)
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C
(a3b2)(a23+ab3+b27)
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D
(2a3b2)(4a29+ab3+b24)
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Solution

The correct option is C (2a3b2)(4a29+ab3+b24)
8a327b38
=(2a3)3(b2)3
Using,
(a3b3)=(ab)(a2+ab+b2)
=(2a3b2)[(2a3)2+(2a3)(b2)+(b2)2]
=(2a3b2)(4a29+ab3+b24)

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