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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 ) le f(x) f(y ) `

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
c
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