Solving a Differential Equation with Boundary Conditions

kumudumalee
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What is the answer of this differential equation.

((d^2) r)/((ds)^2) +(m/(r^2)) -(nr/3)=0

the boundary conditions (i) r=a when s=0 and (ii) dr/ds =0 when r=b.

m and n are constants.
 
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hi kumudumalee! welcome to pf! :smile:

(try using the X2 button just above the Reply box :wink:)

multiply the whole equation by dr/ds, and then integrate :smile:
 
Thanks...
 
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