`int(1)/(sqrt(x^(2)+2))d(x^(2)+1)` is equal toA. `2sqrt(x^(2)+2)+C`B. `2sqrt(x^(2)+2)+C`C. `(1)/((x^(2)+2)^(3//2))+C`D. none of these

`int(1)/(sqrt(x^(2)+2))d(x^(2)+1)` is equal toA. `2sqrt(x^(2)+2)+C`B.

1.	`int(1)/(sqrt(x^(2)+2))d(x^(2)+1)` is equal toA. `2sqrt(x^(2)+2)+C`B. `2sqrt(x^(2)+2)+C`C. `(1)/((x^(2)+2)^(3//2))+C`D. none of these
Answer» Correct Answer - a We have , `I=int(1)/(sqrt(x^(2)+2))d(x^(2)+1)` `rArrI=int(1)/(sqrt(x^(2)+2))d(x^(2)+2)` " " `[becaused(x^(2)+1)=d(x^(2)+2)]` `rArrI=2sqrt(x^(2)+2)+C`

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`int(1)/(sqrt(x^(2)+2))d(x^(2)+1)` is equal toA. `2sqrt(x^(2)+2)+C`B. `2sqrt(x^(2)+2)+C`C. `(1)/((x^(2)+2)^(3//2))+C`D. none of these

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