y= (x/ √ a^2 - x^2 ) - sin^-1 (x-a) (integrate)

∫ ln x /x^2 dx

∫ cos^6 1/2x dx

umm how do i do these ! pleases show me with working

thank you :)

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- Sep 26th 2012, 04:23 PMarsenal12345intergration
y= (x/ √ a^2 - x^2 ) - sin^-1 (x-a) (integrate)

**∫ ln x /x^2 dx**

**∫ cos^6 1/2x dx**

umm how do i do these ! pleases show me with working

thank you :)

- Sep 26th 2012, 06:39 PMpickslidesRe: intergration
In the second expression, integrate by parts

Use - Sep 26th 2012, 09:48 PMSorobanRe: intergration
Hello, arsenal12345!

Here's the third one . . .

Quote:

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. . . .

. . . .

. . . .

You should be able to handle those four integrals.