If f(x)=sin(cos−1(1−22x1+22x)) and its first derivative with respe – InterviewSolution

1.	If f(x)=sin(cos−1(1−22x1+22x)) and its first derivative with respect to x is −baloge2 when x=1, where a and b are integers, then the minimum value of ∣∣a2−b2∣∣ is
Answer» If $f (x) = sin ({cos}^{- 1} (\frac{1 - 2^{2 x}}{1 + 2^{2 x}}))$ and its first derivative with respect to $x$ is $- \frac{b}{a} {log}_{e} 2$ when $x = 1,$ where a and b are integers, then the minimum value of $∣ ∣ a^{2} - b^{2} ∣ ∣$ is

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