SOLUTION: Multiply: (1/7 – i)^2 I need help with this . Can someone please explain what to do for me using this example. I need to know the steps as well as how you got the answer. Thankyou

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Multiply: (1/7 – i)^2 I need help with this . Can someone please explain what to do for me using this example. I need to know the steps as well as how you got the answer. Thankyou      Log On


   



Question 213434: Multiply: (1/7 – i)^2 I need help with this . Can someone please explain what to do for me using this example. I need to know the steps as well as how you got the answer. Thankyou for you time. Your are appreshated.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(1/7 – i)^2
=(1/7 - i)(1/7 - i)
Use FOIL to get:
F:(1/7)^2 = 1/49
O:(1/7)(-)i= -1/7 i
I:(1/7)(-i) = -1/7 i
L:(-i)^2 = -1
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Combine like terms to get:
(-48/49)-(2/7)i
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Cheers,
Stan H.