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# Equations of tangents and normals

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1. Where am I going wrong
2. (Original post by IFoundWonderland)

Where am I going wrong
The line after how did you get the four in the denominator?

It should be
3. (Original post by Zacken)
The line after how did you get the four in the denominator?

It should be

Thanks
4. (Original post by IFoundWonderland)
Thanks
No problem.
5. (Original post by Zacken)
No problem.
Hi, sorry to bother you.

I don't really understand this

6. (Original post by IFoundWonderland)
Hi, sorry to bother you.
If I write I really mean - the former notation just saves a bit of space.

Anyhow, you know how to intgrate using the adding one the power and dividing by the new power, etc...
7. (Original post by Zacken)
If I write I really mean - the former notation just saves a bit of space.

Anyhow, you know how to intgrate using the adding one the power and dividing by the new power, etc...

Oh yay, thanks so I did it right
8. (Original post by IFoundWonderland)
...
Well done.

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