EVOLUTION. 31^, 



i; Required the square root of a'^tc', 



CASE III. 

 *^o find the roots of. powers in general . 



RULE. 



1. Find the root of the first term, and place it in the 

 quotient. 



2. Subtract the power, and bring down the second term 

 for a dividend. 



3. Involve the root, last found, to the next inferior pow- 

 er, and multiply it by the index of the given power for a 

 divisor. 



4. Divide the dividend by the divisor, and the quotient 

 will be the next term of the root. 



5. Involve the whole root, and subtract and divide as 

 before 5 and so on> till the whole be finished. 



EXAMPLES. 

 I. Required the square root of ^2''- — 2a^ x-\-'^a^ x^ — 2 



