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#1 2007-03-30 22:29:24

fangree01
Member
Registered: 2006-11-13
Posts: 11

Integration - Change of Variable (I think)

Hi I was wondering if someone could help me with these integration questions?

Find   

a  ∫ 2x - 1/ √x dx

b  ∫ (x - 1) (x - 3)/ x² dx

c  ∫ cos³x + 2/ cos²x dx

I have a few ideas but I have no notes on this or solutions so I am not sure if I am doing the right thing.  Any help would be greatly appreciated.

Thanks dizzy

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#2 2007-03-30 23:39:32

JaneFairfax
Member
Registered: 2007-02-23
Posts: 6,868

Re: Integration - Change of Variable (I think)

(a)

(b)

(c)

And you can integrate these term by term. smile

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#3 2007-03-31 22:52:46

fangree01
Member
Registered: 2006-11-13
Posts: 11

Re: Integration - Change of Variable (I think)

Hi JaneFairfax,

Thanks so much for your help its always the simple things that get me. smile

Thank you

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