AOD

Q21 ans b
(Additional note:My doubt is that in P(x^2)=x^2.P(x) if we put x=0
We get P(0) =0 which is wrong as it is given that P(0)=2
Please solve the question in your way I will ask the doubt if any in the solution)

@nishantthakre
question is wrong. original condtn not satisfied