SOLUTION: write the expression as a complex number in standard form (-1+i)-(-2-i) 13i over 1-2i

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Question 445912: write the expression as a complex number in standard form
(-1+i)-(-2-i)
13i over 1-2i
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
write the expression as a complex number in standard form
(-1+i)-(-2-i)
= -1--2 +i--i
----
= 1 + 0
= 1
---------------
13i/(1-2i)
---
Multiply numerator and denominator by (1+2i) to get:
[3i(1+2i)]/(1+4)
----
= (-6+3i)/5
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Cheers,
Stan H.
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