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Prove that the function f(x)=x^2-x+1 is ...

Prove that the function `f(x)=x^2-x+1` is neither increasing nor decreasing on `(-1,\ 1)` .

A

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B

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C

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D

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The correct Answer is:
C
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RESONANCE ENGLISH-APPLICATION OF DERIVATIVES-Exersise-2 Part I
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