My book is telling me
d/du((e^u)dy/dx)
=(e^u)dy/dx + (e^u)(d2y/dx2).(dx/du)
I understand where the first part has come from, but not sure how the second part was derived. Would anyone kindly provide me with an explanation?
My book is telling me
d/du((e^u)dy/dx)
=(e^u)dy/dx + (e^u)(d2y/dx2).(dx/du)
I understand where the first part has come from, but not sure how the second part was derived. Would anyone kindly provide me with an explanation?