Could someone check whether I've got the correct answer for the following integrals?

1.

I used the trigonometric substitution and got this as my answer

Let

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- Sep 5th 2010, 09:59 PMacevipaIntegration by trigonometric substitution
Could someone check whether I've got the correct answer for the following integrals?

1.

I used the trigonometric substitution and got this as my answer

Let

- Sep 5th 2010, 10:07 PMsa-ri-ga-ma
Your answer is wrong. Will you please show your calcualtions?

- Sep 6th 2010, 12:02 AMTheCoffeeMachine