Question

If Z=(1+i)(1+2i)/1+3i ,express Z in the form a+ib. If you not understand then. 24. no
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Answer 1

Step-by-step explanation:

z=(1+i)(1+2i)/1+3i

=-1+3i/1+3i×1-3i/1-3i

=-1+6i+9/1+9

=8+6i/10

=4+3i/5

=4/5+i3/5