Re: difficult system of equation



leonid.uk@xxxxxxxxx a écrit :

How to find a real number  solution of the system
4*x*y+y^2+2*z^2=-3,
4*x*z+x^2+2*z^2=1,
8*x*z+y^2+2*z^2=1

Thanks


Hi,

You make L1-2*L2+L3

you obtain an equation in x and y

It is 2° degree ...
.