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ahmad94
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Small help with a integration question.

What is the integral of 3/(3x-1)^2

Hopefully with a bit of working

Thanks
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TenOfThem
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(Original post by ahmad94)
Small help with a integration question.

What is the integral of 3/(3x-1)^2

Hopefully with a bit of working

Thanks
Can you integrate x^{-2} wrt x
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ahmad94
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Yes i can, it is x^-1/-1.
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TenOfThem
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(Original post by ahmad94)
Yes i can, it is x^-1/-1.
Ok

Can you differentiate (3x-1)^{-1}
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ahmad94
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3In(3x-1)
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lazy_fish
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Differentiate, not integrate. Even then, you made a mistake.
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ahmad94
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Sorry my bad,

Attempt 2: -3(3x-1)^-2
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lazy_fish
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Can you see solution?

\displaystyle \frac {d}{dx} (3x-1)^{-1} = -3(3x-1)^{-2} = \frac {-3}{3x-1^{2}}

Differentiation and integration are somewhat like inverse transformations.

Hope this helps.
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