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Solve: (x+2)^3=2x(x^2-1)...

Solve: `(x+2)^3=2x(x^2-1)`

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Verified by Experts

The correct Answer is:
C
`f'=+-sqrt(1-f^(2))`
or `f(x)=sinx `or `f'(x)=-sinx` (not possible)
`:. f(x)=sinx`
Also `xgtsinxAAxgt0`
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CENGAGE-DEFINITE INTEGRATION -JEE Advanced Previous Year
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