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A function whose graph is symmetrical ab...

A function whose graph is symmetrical about the y-axis is given by:

A

`f(x)=sin[log(x+sqrt(x^(2)+1))]`

B

`f(x)=(sec^(4)x+cosec^(4)x)/(x^(3)+x^(4)cotx)`

C

`f(x+y)=f(x)+f(y)AA x , y in R`

D

`f(x)-x^(2)`

Text Solution

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The correct Answer is:
D
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