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Simplest Cases
25

Summary. Let us see how far we have got. We have arrived at the following rule: To differentiate , multiply by the power and reduce the power by one, so giving us as the result.


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

Differentiate the following:

(1) (2)
(3) (4)
(5) (6)
(7) (8)
(9) (10)

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