SECTION- C Show that the function f: \bo {R} \to \bo {R} defined by f(x)=\frac{x}{x^2+1} \forall x \in R is neither one-one nor onto.

CBSE Class 12 Math 2020 Outside Delhi Set 2 Solved Paper

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SECTION- C

Show that the function

f: \bo {R} → \bo {R}

defined by

f(x)=\;{x}/{x^2+1} ∀ x ∈ R

is neither one-one nor onto.

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