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

B

f(x)=sinx+cosx

C

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

D

none of these`

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The correct Answer is:
A
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AAKASH SERIES-FUNCTIONS -EXERCISE -II
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  2. Assertion (A) : The function f(x) = cos x is symmetric about the line ...

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

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  4. The graph of the function y = f(x) is symmetrical about the line x = 2...

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