"Let `y` be an implicit   function of `x` defined by `x^(2x)-2x^xcot y-1=0.` Then `y '(1)` equals:
Channel: Doubtnut
Date: 2020-06-28

"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`"