SOLUTION: (1/7-i)^2

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Question 212977: (1/7-i)^2
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Simplify:
%28%281%2F7%29-i%29%5E2 Use the FOIL metod.
%28%281%2F7%29-i%29%28%281%2F7%29-i%29+=+1%2F49-%282%2F7%29i%2Bi%5E2 Replace:i%5E2+=+-1
1%2F49-%282%2F7%29i-1+=+-48%2F49-%2814%2F49%29i=highlight%28-%28%2848%2B14i%29%29%2F49%29