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intsqrt(1+x^(2)) dx is equal to...

`intsqrt(1+x^(2))` dx is equal to

A

`(x)/(2)sqrt(1+x^(2))+(1)/(2)log|(x+sqrt(1+x^(2)))|+C`

B

`(2)/(3)(1+x^(2))^(3/2)+C`

C

`(2)/(3)x(1+x^(2))^(3/2)+C`

D

`(x^(2))/(2)sqrt(1+x^(2))+(1)/(2)x^(2)log|x+sqrt(1+x^(2))|+C`

Text Solution

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The correct Answer is:
A
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