Jonask
\[\int _a^b \frac{dx}{y}\],where \[ y^2=ax^2+bx+c\]



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experimentX
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reduce y in to this from (px + q)^2 + r

Jonask
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where \[y^2=ax^2+bx+c\]

Jonask
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sry i meant y^2

experimentX
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do the same .. it wouldn't make any difference

Jonask
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\[1/a(x+b/2a)^2b^2/4a+c/a

Jonask
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\[1/a(x+b/2a)^2b^2/4a+c/a\]

Jonask
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i tried a euclidian sub of t
\[t=y+x\sqrt a\]

experimentX
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yeah .. then substitute u = Sqrt(a)(x + b/x) should be of the form
dw:1362742001381:dw

Jonask
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yeah
to the first post or euclidean?

experimentX
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??

Jonask
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do you agree with the sub of\[ t=y+x\sqrt{a}\]

experimentX
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where did you get that y ... there is no such y.

experimentX
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check your equation again ... don't put that y there ... there is no y involved. I think you are confused.

Jonask
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i have to go now but i 'll try it