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Let f(x)=1-x-x^3.Find all real values o...

Let `f(x)=1-x-x^3`.Find all real values of x satisfying the inequality, `1-f(x)-f^3(x)>f(1-5x)`

A

(-2,0)

B

(0,2)

C

`(2, infty)`

D

`(-2, 0 )∪(2, infty)`

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The correct Answer is:
A, C
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