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Question

(log4x2)×(xlog278)×(logx243) is equal to

A

2x
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B

1
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C

3x
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D

5x
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Solution

The correct option is D
5x
(log4x2)×(xlog278)×(logx243)
(2log4x)*(xlog278)*(5logx3)
2× x ×5×log xlog 4×log 8log 27×log 3log x
2× x ×5×log x2log 2×3log 23log 3×log 3log x
10x×12
=5x

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