If y=(x^2)/2+1/2xsqrt(x^2+1)+(log)esqrt(...

If `y=(x^2)/2+1/2xsqrt(x^2+1)+(log)_esqrt(x+sqrt(x^2+1))` , prove that `2y=x y^(prime)+(log)_e y^(prime),w h e r ey '` denotes the derivative w.r.t `xdot`

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