SOLUTION: If w=-2+3i and z=-1+i, find 2z/w
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Question 1156531
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If w=-2+3i and z=-1+i, find 2z/w
Answer by
Boreal(15235)
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This would be (-2+2i)/(-2+3i)
multiply top and bottom by (-2-3i), the conjugate
numerator is (-2+2i)(-2-3i)=4+2i-6i^2=-10+2i=2(5+i)
denominator is (-2-3i)(-2+3i)=4-9i^2=13
2(5+i)/13