If and , then…

MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

If

f:\mathbb{R}\to\mathbb{R}

and

f(x)=\dfrac{x(x^4+1)(x+1)+x^4+2}{x^2+x+1}

, then

f(x)

is (1) One-one into (2) Many-one onto (3) One-one onto (4) Many-one into

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