List of top Mathematics Questions on Operations on Relations asked in WBJEE JENPAS UG

If \( g(f(x)) = |\sin x| \) and \( f(g(x)) = (\sin\sqrt{x})^2 \), then:
For which values of 0 (0°≤θ≤ 90°), the relation 2sin2 θ-3sin θ+1=0 is satisfied?
If the ratio of the roots of the equation px2+qx+r=0 is 1 : a, then which of the following relations is/are correct?