Question

find d2y/dx2, when dy/dx=(2t+1)/2t

Answer 1

Is "t" constant ?????/
if "t" is constant , then the d2y/dx2 = zero

Answer 2

if its dy/dt, split the numerator

\[\frac{dy}{dt} = \frac{2t}{2t} + \frac{1}{2t}\]

hope this helps