Question: Using the classical variational approach (solving from first principles without the Euler-Lagrange equation) (20 marks), a. Obtain the expression that describes the extremal (maxima or
Using the classical variational approach (solving from first principles without the Euler-Lagrange equation) (20 marks), a. Obtain the expression that describes the extremal (maxima or minima) of the functional from xa to xb ( y^2/x^3)dx
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