SOLUTION: Show that i2 is real and evaluate i3 and i4

SOLUTION: Show that i2 is real and evaluate i3 and i4

Algebra.Com

Question 827711: Show that i2 is real and evaluate i3 and i4
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
i2=i*i=-1
i3=i
i4=(-1)(-1)=1
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