Thursday, May 28, 2015

Write 2 (1 + i) – 3(2-3i) in the form of a +bi

2%2A%281+%2B+i%29-3%2A%282-3%2Ai%29=2%2B2%2Ai-6%2B9%2Ai 

next we can write 

2%2B2i-6%2B9i=-4%2B11i
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