If for all real

MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

If f(g(x))=g(f(x))=xf(g(x))=g(f(x))=x for all real xx, and f(2)=5f(2)=5 and f(5)=3f(5)=3, then the value of g(3)+g(f(2))g(3)+g(f(2)) is (a) 7 (b) 5 (c) 3 (d) 2

Related theory

Browse the problem library