Question

Find the cube-root of -175616

Answer 1

-175616

2	175616
2	27808
2	43904
2	21952
2	10976
2	5488
2	2744
2	1372
2	686
7	343
7	49
7	7
	1

 

 

 

 

 

 

 

 

 

 

 

 

 

= -[(2 x 2 x 2) x (2 x 2 x 2) x (2 x 2 x 2) x (7 x 7 x 7)]
=-[2 x 2 x 2 x 7]
= -56