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The equation of the line joining the complex numbers -5+4i and 7+2i can be expressed in the form\(az + b \overline{z} = 38\)
for some complex numbers a and b. Find the product ab.

 Jan 23, 2021
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We can convert complex numbers x + yi to the point (x,y).  This gives us the answer ab = 18.

 Jan 24, 2021

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