JEE Main2019MathQ.Let f:R→R be defined by f(x)=1+x2x,x∈R.Then the range of f is :AR−[−21,21]B[−21,21] C(–1, 1) – {0}DR – [–1, 1]SolutionView solution← Back to full paperPractice more MathConcept-wise practice with instant solutions on Fundamenthol.Start practicing →