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let f(x)=sqrt(1+x^2) then...

let `f(x)=sqrt(1+x^2)` then

A

`f(xy)=f(x).f(y)`

B

`f(xy) ge f(x).f(y)`

C

`f(xy)lef(x).f(y)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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