Page:Calculus Made Easy.pdf/45

 Summary. Let us see how far we have got. We have arrived at the following rule: To differentiate $$x^n$$, multiply by the power and reduce the power by one, so giving us $$nx^{n-1}$$ as the result.

Exercises I. (See p. 254 for Answers.)

Differentiate the following:

''You have now learned how to differentiate powers of $$x$$. How easy it is!''