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Question

If log42+log44+log4x+log416=6, then value of x is

A
64
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B
4
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C
8
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D
32
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Solution

The correct option is D 32
We have log42+log44+log4x+log416=6

log4(2×4×x×16)=6
128x=46

43×2x=46

x=432

x=32

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