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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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Knowledge Check

  • Let y be an implicit function of x defined by x^(2x)-2x^(x)cot y-1=0 . Tthen y'(1) equals

    A
    `log2`
    B
    `-log2`
    C
    `-1`
    D
    1

  • Let y be an implicit function of x defined by x^(2x)-2x^(x)coty-1=0 . Then y'(1) equals

    A
    `log2`
    B
    `-log2`
    C
    `-1`
    D
    1

  • Let y be an implicit function of x defined by x^(2x)-2x^(x)coty-1=0 . Then y'(1) equals

    A
    `-1`
    B
    1
    C
    `log2`
    D
    `-log2`

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