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Let y be an implicit function of x de...

Let `y` be an implicit function of `x` defined by `x^(2x)-2x^xcot y-1=0.` Then `y '(1)` equals: `1` b. `log2` c. `-log2` d. `-1`

A

-1

B

1

C

log 2

D

`-log 2`

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A
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