Q38 of 66 Page 91

The value of (z + 3) is equivalent to

Given (z + 3) (z̅ + 3) = (x + iy + 3) (x –iy + 3)


= (x + 3)2 – (iy)2


= (x + 3)2 + y2


= |x + 3 + iy|2


= |z + 3|2

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