i(4+3i)/(1-i) express in the form of a+ib
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(4+ 3i)/(1- i)
(4 +3i)(1 + i)/(1 +i)(1-i)
4 +4i + 3i + 3i^2/ 1 - i^2
4 + 4i + 3i -3/ 1+1 ( i^2= -1)
1+ 7i/ 2
1/2 +7i/2
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