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Let f (x)= (x)/(sqrt(1+x^(2))) then ubra...

Let `f (x)= (x)/(sqrt(1+x^(2)))` then ubrace(fo fo fo ......of)(x) ` is :

A

`(x)/(sqrt(1+(sum _(r=1)^(n)r)x ^(2)))`

B

`(x)/(sqrt(1+(sum _(r=1)^(n)1)x ^(2)))`

C

`((x)/(sqrt(1+ x ^(2))))^(n)`

D

`(npi)/(sqrt(1+pi x ^(2)))`

Text Solution

Verified by Experts

The correct Answer is:
B
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VIKAS GUPTA (BLACK BOOK) ENGLISH-FUNCTION -SUBJECTIVE TYPE PROBLEMS
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