SOLUTION: 13i/1-2i or 13i over 1-2i

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Question 1053303: 13i/1-2i or 13i over 1-2i
Answer by ikleyn(52865) About Me  (Show Source):
You can put this solution on YOUR website!
.
Multiply the numerator and the denominator by the complex number conjugate to the number in the denominator.

See the lesson
    - Solved problems on arithmetic operations on complex numbers, Problem 1
in this site. It is your analogue/prototype/sample.

There is a bunch of my lessons on complex numbers
    - Complex numbers and arithmetical operations on them
    - Complex plane
    - Addition and subtraction of complex numbers in complex plane
    - Multiplication and division of complex numbers in complex plane
    - Raising a complex number to an integer power
    - How to take a root of a complex number
    - Solution of the quadratic equation with real coefficients on complex domain
    - How to take a square root of a complex number
    - Solution of the quadratic equation with complex coefficients on complex domain
in this site.

Also, you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the section "Complex numbers".