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seen Dec 7 '12 at 12:23

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awarded  Nice Question
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Oct
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comment Tangent on parabola
I have added the new piece of code above! (...how can I add a comment of more than 600 characters? :-) sorry...)
Oct
1
revised Tangent on parabola
added different piece of code
Oct
1
comment Tangent on parabola
Hi! Thanks Herbert for adding the pic! - and cmhughes I saw these examples and I wanted to use the intersection thing. I guess this tex.stackexchange.com/questions/25928/… best describes what I want but I was not able to modify the code as I want; how do you define the tangent to be on the intersection? Is there any way to say tangent = intersection?
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asked Tangent on parabola