answersLogoWhite

0

To solve:

x+y = 4

x*y = 13

x=4-y, so

(4-y)*y = 13 iff

y^2 - 4y + 13 = 0 iff

(y-2)^2 = -9 iff

y-2 = +- 3i

y = 2 +- 3i

e.g., x = 2+3i, y = 2-3i

User Avatar

Wiki User

12y ago

What else can I help you with?