### Home > CALC > Chapter 4 > Lesson 4.2.1 > Problem 4-48

4-48.

If , then does

*? Test this idea on*

*using your results from problem 4-47. Thoroughly record your results.*

Let and note its derivative (you found the derivative in problem 4-47).

If , then

*and*

*. Find the*

*and*

*.*

Multiply: . Is this the same derivative you found in problem 4-47?

During this course, you will discover many shortcuts to finding derivatives, but this is not one of them.