Ask Question
7 September, 06:07

If X+y+z=2

Xy+xz+yz=-5

X^2 + y^2 + z^2 = 14

Find X, y, and z

+1
Answers (1)
  1. 7 September, 06:16
    0
    If we substitute z = 2 - x - y in the last 2 equations it simplifies to 2 equations in x and y:=

    x^2 + y^2 + xy - 2x - 2y = 5 and

    -x^2 - y^2 - xy + 2x + 2y = - 5

    if we add these we get 0 = 0 so there are infinite solutions
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “If X+y+z=2 Xy+xz+yz=-5 X^2 + y^2 + z^2 = 14 Find X, y, and z ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers