Thread: Cartesian equation
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Old May 12th, 2008, 04:55 AM
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Hello,

Quote:
Originally Posted by taurus View Post
How do i solve this:

What is the Cartesian equation for the region represented by

Re((8-i) z +3) = 0


Thanks
Write z=x+iy, x and y are real numbers.

-> (8-i)z=(8x+y)+i(y-x)

-> (8-i)z+3=(8x+y+3)+i(y-x)

--> Re((8-i)z+3)=8x+y+3

----> \boxed{8x+y+3=0}
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