Question

what is the differentiation of Y=tanx/x²​

Answer 1

Answer:

In this case tan(u) is the outer function and u=x2 is the inner function. You don't have to worry about the "u" too much, it's just there to show you that the x2 is "composed" in the tan and that, according to the chain rule, you should derive the outer function without doing anything to the inner function.