This question was asked in Ex 15.3, 1
Sir here in 2nd part instead of fy^2 u have took out the answer of fy^3 plz see ur chat n rectify it

Sayyam Jain's image
Sayyam Jain
May 6, 2020, 8:05 a.m.

Answer the question...

Sayyam Jain's image