SOLUTION: How do i solve the following problem?
2-i)^3
Algebra.Com
Question 874739: How do i solve the following problem?
2-i)^3
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
(2-i)^3 = (2-i)(2-i)(2-i)
= (4-4i+i^2)(2-i)
note that i^2 = -1
= (3-4i)(2-i)
= 6-11i+4i^2
= 2-11i
note that i = square root(-1)
= 2 - 11*square root(-1)
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