SOLUTION: Give all solutions of the nonlinear system of equations, including those with nonreal complex components.
3x^2-5y^2=-68
5x^2=3y^2=68
please and thank you! :D
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Systems-of-equations
-> SOLUTION: Give all solutions of the nonlinear system of equations, including those with nonreal complex components.
3x^2-5y^2=-68
5x^2=3y^2=68
please and thank you! :D
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Question 746034: Give all solutions of the nonlinear system of equations, including those with nonreal complex components.
3x^2-5y^2=-68
5x^2=3y^2=68
please and thank you! :D Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! Assume the problem is:
3x^2 - 5y^2 = -68
5x^2 + 3y^2 = 68
:
multiply the 1st equation by 3, mult the 2nd eq by 5
9x^2 - 15y^2 = -204
25x^2 + 15y^2 = 340
--------------------addition eliminates y^2
34x^2 = 136
x^2 = 136/34
x^2 = 4
x = +/-
x = +/-2
:
Find y
5(2^2) + 3y^2 = 68
3y^2 = 68 - 20
3y^2 = 48
y^2 = 48/3
y^2 = 16
y = +/-4
:
:
Check solution in the 1st original equation
3(2^2) - 5(4^2) = -68
12 - 80 = -68
