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December 27th, 2012, 12:26 PM   #1
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how many times is a bigger then d

Given these 2 equations with b as a constant, could one tell me how much times a is bigger then d
so a=xd --> find x
or is that not possible if b is not given?




Maybe it is possible to do something with derivatives? I don't know how to work with them, but I get the concept.
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December 28th, 2012, 05:48 PM   #2
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For a given real value of b, a and d can have either 1 real value or 3 real values, so there are various possibilities for x.

What was the original problem?
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December 29th, 2012, 01:09 AM   #3
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Re: how many times is a bigger then d

this was something i tried when i was trying to solve the area of the triangle here:
viewtopic.php?f=13&t=37055

i used this formula and the b i used here is the distance from point A to the circle.
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