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Question: Help writing a proof for Kepler's second law

Question:Help writing a proof for Kepler's second law

jdc2950 0 Maple
proof
June 28 2011
0

> r= r*cos(theta) + r*sin(theta);

le the ODE, ode.

 

> G=6.67 * 10^(-11);

 

> F1=(m*a);

 

> F2=(-G*M*m)/(abs(r^(3)));

 

> solve(m*a)=(-G*M*m)/(abs(r^(3)));

 

 this is wha I have so far and I was wondering the right syntax to solve for a in my last step?
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