Let S be the sum of all solutions (in radians) of the equation ^4 + ^4 - =0 in [0, 4 ]. Then 8S is equal to...

Question

Let S be the sum of all solutions (in radians) of the equation ^4 + ^4 - =0 in [0, 4 ]. Then 8S is equal to ———

Accepted Answer

56

JEE Main 2021 Mathematics question