Math Chapter Wise Sets, Relations And Functions English MCQ PGT 2010 Q.If A={x:f(x)=0} and B={x:g(x)=0}, then A∩ ∩ ∩B will be the set of roots of equation A() () 2 2 0 f x g x + = B() f x g x C() g x f x DNone of these Show answer Correct answer: () () 2 2 0 f x g x + =