If x ,dx ^3x(1+ ^6x)^ 2/3 =f(x)(1+ ^6x)^ 1/ +c where c is a constant of integration, then f ( 3 ) is equal to...

Question

If x ,dx ^3x(1+ ^6x)^ 2/3 =f(x)(1+ ^6x)^ 1/ +c where c is a constant of integration, then f ( 3 ) is equal to -

Accepted Answer

(C)

JEE Main 2020 Mathematics question