how do i go about finding the partial derivative wrt m?
The Attempt at a Solution
i started by rearranging it to the form a=g.(M-m)(M+m)^-1, i used the chain rule to find the derivative of (M+m)^-1 to be -(M+m)^-2 but i'm not sure where to go from there or even if that was the right approach to take. any help?