1.

`intsqrt(1+x^(2))dx` बराबर है :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`

Answer» Correct Answer - a
माना `I=int sqrt(1+x^(2))dx`
`rArr" "I=(x)/(2)sqrt(1+x^(2))+(1)/(2)log||x+sqrt(1+x^(2))|+C`


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