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- Thread starter jpanknin
- Start date

- Joined
- Nov 12, 2017

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- 12,662

Why would you think order would matter at all? It doesn't. And which constant you call A has no effect on any of the work that follows.why are they not interchangeable for A and B?And more generally, is there a precedence of order for the factors of the denominator?

In other words, they are entirely interchangeable. You can do as you wish.

- Joined
- Jun 18, 2007

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Have you tried switching A & B? What answer do you get?Hi everyone, I have a question related to the screenshot below. In the second to last series of equations at the bottom of the image, the author chose A/(x-1) and B/(x+2). Is there a reason for this order? Why not A/(x+2) and B/(x-1)? (x+2) and (x-1) both have degree 1, so why are they not interchangeable for A and B? And more generally, is there a precedence of order for the factors of the denominator?

View attachment 29193

You should find that the final answer does not depend on that action.