Let f : R → R be defined by f(x) = x^2 – x^2/{1+x^2} for all x ∊ R. Then

Correct Answer is : f is neither one-one nor onto

f is one-one but not onto mapping

f is onto but not one-one mapping

WBJEE 2019 Math Solved Paper

Question : 36 of 75

Marks: +1, -0

Let f : R → R be defined by f(x) = x2–

1+x2

for all x ∊ R. Then

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