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Question

Range of the function f(x)=x2+1x2+1,is



A

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B

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C

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D

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Solution

The correct option is A


f(x)=x2+1+1x2+11x2+1+1x2+1    2[ AM GM]x2+1x2+1 1  f(x)ϵ[1,)


Mathematics

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