Solve this following

Question:

Let $y$ be an implicit function of $x$ defined by $x^{2 x}-2 x^{x} \cot y-1=0$. Then $y^{\prime}(1)$ equals :

 

  1. $\log 2$

  2. $-\log 2$

  3. $-1$

  4. 1


Correct Option: , 3

Solution:

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