find solutions

x = 2z2/1+z2
y = 2x2/1+x2
z = 2y2/1+y2

Find no. of real solutions to this sysytem of equations

2 Answers

1
Great Dreams ·

\text{i think there is infinit solution of(x,y,z) satifying it }\\ \ \ \text{ put z =}\tan\alpha\\ \text{u will get x=}2\sin^2\alpha\\ \text{similarly take }(x,y)=(\tan\beta,2\sin^2\beta)\\ \text{and} (y,z) = (\tan\gamma ,2\sin^2\gamma) \\ \text{solving these trigonometic equaltion we get } \\ \frac{64\sin^8\beta}{\left(1+4sin^4\beta \right)^2}=\frac{\tan\beta}{2-\tan\beta} \\ \text{which seems to have solution}

1
harsh jindal ·

X=Y=Z=1,-1,0

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