SOLUTION: -121s is inside a radical and the s has an 8 on top of it..Not sure how to do it

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: -121s is inside a radical and the s has an 8 on top of it..Not sure how to do it      Log On


   

Question 243378: -121s is inside a radical and the s has an 8 on top of it..Not sure how to do it
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
Do you mean -121s%5E8 ? Since you are talking about complex numbers, you must know that sqrt%28-1%29+=+i.

sqrt%28-121s%5E8%29
sqrt%28121s%5E8%29%2Asqrt%28-1%29
+11s%5E4+%2Ai

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus