If f(x) = ( ^ -1 ( 1-2^ 2x 1+2^ 2x ) ) and its first derivative with respect to x is - b a _e2 when x = 1,...

Question

If f(x) = ( ^ -1 ( 1-2^ 2x 1+2^ 2x ) ) and its first derivative with respect to x is - b a _e2 when x = 1, where a and b are integers, then the minimum value of |a^2-b^2| is ——

Accepted Answer

481

JEE Main 2021 Mathematics question

Solution