Question 358342
Let w = 2 + 5i and z = -3 + 4i. 
Compute 2ww + |z|^2 in Cartesian coordinates.
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2(2 + 5i)*(2 - 5i) = 2*(4+25) = 58
|z| = the magnitude of z, = sqrt(3^2 + 4^2) = 5
--> 63 or (63,0) since there's no i term.