SOLUTION: 1. simplify (sqrt -64)+ 6i^2,555 2. Simplify. (2-i^22)^3
Algebra
->
Complex Numbers Imaginary Numbers Solvers and Lesson
-> SOLUTION: 1. simplify (sqrt -64)+ 6i^2,555 2. Simplify. (2-i^22)^3
Log On
Algebra: Complex Numbers
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Complex Numbers
Question 1034915
:
1. simplify
(sqrt -64)+ 6i^2,555
2. Simplify.
(2-i^22)^3
Answer by
Alan3354(69443)
(
Show Source
):
You can
put this solution on YOUR website!
1. simplify
(sqrt -64)+ 6i^2,555
sqrt(-64) = 8i
i^2555 = i^2552*i^3 = 1*-i = -i
--> 8i - 6i
= 2i
================
2. Simplify.
(2-i^22)^3
i^22 = i^20*i^2 = 1*-1 = -1
--> (2+1)^3
= 27