If the following functions are defined f...

If the following functions are defined from `[-1,1]to[-1,1],` select those which are not objective. `sin(s in^(-1)x)` (b) `2/pisin^(-1)(sinx)` `(sgn(x))1N(e^x)` (d) `x^3(sgn(x))`

`sin(sin^(-1)x)`

`2/pi*sin^(-1)(sinx)`

`sgn(x)*log(e^(x))`

`x^(3)sgn(x)`

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The correct Answer is:

B, C, D

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