anonymous
  • anonymous
I need some guidance...
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
|dw:1439211637631:dw|
anonymous
  • anonymous
on what?
anonymous
  • anonymous
What method should I use on this.

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anonymous
  • anonymous
is it like this?\[x *\cos( \frac{ x }{ 2}) *dx\]
anonymous
  • anonymous
yes
anonymous
  • anonymous
ok what do you need to find. just simplify?
anonymous
  • anonymous
sorry I am n
anonymous
  • anonymous
So I thought it would go like this |dw:1439211902444:dw| but its wrong.
Loser66
  • Loser66
Apply integral by part with let u = x dv = cos (x/2) dx du = dx v = 2 sin (x/2)
Loser66
  • Loser66
You can handle it from here, right?
anonymous
  • anonymous
THanks, I got the right answer now.

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