X, . *-'L. c i !A.)N. K»- 



6o40i*§)i667374*2(27"6o47 the root nearly 



459338 

 422813 



36525 

 36241 



242 



42 

 Again for a second operation, the' cube of this root Is 

 2io35'3 18645 I55^23i -and the process by the latter meth- 

 od is thus : 



2io35'3i8645, &c. 



42070*637290 21035*8 



21035-8 21035-3 1 864.5, 8^. 



As 63iQ$*43729 : difF. '481355 :: 27*6047 : the diS'.zr 



•000210834 



27*604910834 zz: 

 the root required. 



3. What is the cube root of 157464 ? Ans. 54. 



4. What is the cube root of |- ? Ans. '763, &c. 



5. What is the cube root of 117 ? Aiis. 4-89097. 



To EXTRACT THE RoOTS OF PoWERS IN 

 GENERAL. 



KULE.* 



I. Prepare the given number for extraclicn, by pointing 

 off from the units place as the root required directs. 



2. Find 



* This rule will be sufficiently obvious from tlie work In the 

 following example : 



Extrac 



