Posted by **Jon** on Saturday, March 1, 2008 at 9:48am.

Assume that no denominator equals 0.

2+i/1-3i

= 2+i/1-3i

= (2+i/1-3i) * (1+3i/1+3i)

= (2+3i^2)/(1-9i^2)

= (2/1) - (1/3i)

= 2-1/3i(answer)

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