- #1

- 99

- 0

## Homework Statement

the integral of 1/(1-y)dy

## Homework Equations

## The Attempt at a Solution

ln|1-y|+C

however I believe you use u substitution as 1-y=U? Why is this so?

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- Thread starter bmed90
- Start date

- #1

- 99

- 0

the integral of 1/(1-y)dy

ln|1-y|+C

however I believe you use u substitution as 1-y=U? Why is this so?

- #2

LeonhardEuler

Gold Member

- 859

- 1

[tex]\int{-\frac{1}{u}du}[/tex]

which is well known, but this example is simple enough that you could solve it just by looking at it.

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