If f : R→R and $$F(x)$$ $$=$$$$sin$$$$($$π$${x})X4+3x2+7$$, Where $${$$ $$}$$ is a fractional part of x , then

Correct option is 2f is not one -one and non -constant

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If f : R→R and F(x) = $\frac{\sin (π {x})}{X^{4} + 3 x^{2} + 7}$ , Where { } is a fractional part of x , then

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detailed solution

Correct option is B

f (x) = sin(π{x})X4+3x2+7Here , f (1 /2 )= f(-1 /2)Clearly, f(x) is not one -one and also it is dependent on x.

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If f : R→R and F(x) =sin(π{x})X4+3x2+7, Where { } is a fractional part of x , then

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If f : R→R and F(x) = $\frac{\sin (π {x})}{X^{4} + 3 x^{2} + 7}$ , Where { } is a fractional part of x , then