DIFFERANTIAL EQUATION! i badly need help

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Dec 9th 2008, 09:38 PM
kayumanggi

DIFFERANTIAL EQUATION! i badly need help

can any one help me to solve this problem? (Headbang)

Differential Equation of the Circles tangent to x-axis.
Dec 9th 2008, 10:28 PM
mr fantastic

Quote:

Originally Posted by kayumanggi

can any one help me to solve this problem? (Headbang)

Differential Equation of the Circles tangent to x-axis.

Circles with the required property have the form $(x - a)^2 + (y - r)^2 = r^2$ . So get dy/dx from this equation using implicit differentiation and impose the boundary condition y(0) = r.

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