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Question

If log10 x=y. Then,


A

log10x2=y2

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B

log10x2=2y

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C

log1000x2=3y2

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D

log1000x2=2y3

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Solution

The correct options are
B

log10x2=2y


D

log1000x2=2y3


log10 x2=2log10 x=2y

log1000 x2=2.log103 x=23.log10 x=2y3

So, options B and D are correct.




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