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

Let y be an implicit function of x defined by \[{{x}^{2x}}-2{{x}^{x}}\

1.	Let y be an implicit function of x defined by \[{{x}^{2x}}-2{{x}^{x}}\cot y-1=0\]. Then y'(1) equals
A.	-1
B.	1
C.	\[log\text{ }2\]
D.	\[-log\text{ }2\]
Answer» B. 1

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

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