MathDB

016

Part of 1935 Moscow Mathematical Olympiad

Problems(1)

MMO 016 Moscow MO 1935 system x+y=2 , xy - z^2 = 1

Source:

7/17/2019
How many real solutions does the following system have ?{x+y=2xy−z2=1\begin{cases} x+y=2 \\ xy - z^2 = 1 \end{cases}
system of equationsalgebra