- #1
rocomath
- 1,755
- 1
I'm currently self-studying ODE, text by Morris Tenenbaum, and I am confused by these 2 problems.
[tex]z=\sqrt{-(x^2 + y^2)}[/tex]
D: (0,0)
[tex]z=\sqrt{-(x^2 + y^2 +1)}[/tex]
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[tex]z=\sqrt{-(x^2 + y^2)}[/tex]
D: (0,0)
[tex]z=\sqrt{-(x^2 + y^2 +1)}[/tex]
undefined