यदि \( \int \frac{\cos 4 x+1}{\cot x-\tan x} d x=A \cos 4 x+B \), तब (A) \( A=-\frac{1}{2} \) (B...
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यदि \( \int \frac{\cos 4 x+1}{\cot x-\tan x} d x=A \cos 4 x+B \), तब
(A) \( A=-\frac{1}{2} \)
(B) \( A=-\frac{1}{8} \)
(C) \( A=-\frac{1}{4} \)
(D) \( A=-\frac{1}{10} \)
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