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Mathematics 17 Online
OpenStudy (jack1):

I don't really understand this prac Q: how do I divide an x,y plane into different regions from an eqn please? the eqn is:

OpenStudy (jack1):

x^4 (Uxx) - 3x^2y (Uxy) + x^2 (Uyy) = 5x^2 - 2Ux +4Uy

OpenStudy (jack1):

need to pick the regions that are elliptical parabolic and hyperbolic

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