Hi! Can someone please walk me through on how to answer these integrals?

1. Attachment 24718

2. Attachment 24719

3. Attachment 24720

Thanks! :-)

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- September 6th 2012, 07:53 PMHi888How to solve Integrals?
Hi! Can someone please walk me through on how to answer these integrals?

1. Attachment 24718

2. Attachment 24719

3. Attachment 24720

Thanks! :-) - September 6th 2012, 08:13 PMSworDRe: How to solve Integrals?
1. Make the substitution t = (u-3)^2 - 8

2. Try integration by parts, so that inside the integral sign, you differentiate ln(x) and integrate sqrt(x), the product of these two will be a power function.

3. Make the substitution s = u-3, multiply out the square, and then you will have a sum of power functions. - September 6th 2012, 08:20 PMProve ItRe: How to solve Integrals?