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If y=log(10)x+log(x)10+log(x)x+log(10)10...

If `y=log_(10)x+log_(x)10+log_(x)x+log_(10)10`, then `((dy)/(dx))_(x=10)` is equal to

A

2

B

1

C

`-1`

D

0

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The correct Answer is:
D
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