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Integrating Factor

If f : R → R ...

Question

If f : R $\to$ R be a function given by f (x) = $(3 - x^{3})^{\frac{1}{3}}$ ,then f $\circ$ f(x) =

A

x³

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B

x

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C

3 – x³

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D

x^1/3

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Solution

The correct option is B
x

$(f \circ f) (x) = f [f (x)] = x$

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f : R \to R

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