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If f:R->R and f(x)=sin(pi{x})/(x^4+3x^2+...

If `f:R->R` and `f(x)=sin(pi{x})/(x^4+3x^2+7)`, where `{}` is a fractional part of x , then

A

f is injective

B

f is not one-one and non-constant

C

f is a surjective

D

f is a zero function

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The correct Answer is:
B
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