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HSC 2016 MX2 Integration Marathon (archive) (2 Viewers)

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InteGrand

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Re: MX2 2016 Integration Marathon

I don't want to be nitpicky, but isn't the technical term "cusp"?
I put the word corners in inverted commas because I was using it informally. I think for a cusp, the tangents should be equal for the two meeting branches (http://mathworld.wolfram.com/Cusp.html) (which is not the case for this function's graph).
 
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leehuan

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Re: MX2 2016 Integration Marathon

Oh right. I keep missing that 1-sin(2x) = perfect square result. But yeah the sign function I understand.

And lol I know what a cusp is. All good
 

leehuan

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Re: MX2 2016 Integration Marathon



 
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KingOfActing

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Re: MX2 2016 Integration Marathon

This one is dedicated to Paradoxica because he asked me to:

 
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leehuan

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Re: MX2 2016 Integration Marathon

Couldn't be bothered checking/simplifying my answer

 

leehuan

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Re: MX2 2016 Integration Marathon

correct me if im wrong, but i think you're missing a few n's in front of the and
Yes I did. (Just thinking back to my working out which I left at home it's like oh right.)
 

DatAtarLyfe

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Re: MX2 2016 Integration Marathon

I had a dream about integration and volumes and gabriels horn....too much maffs
 
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