Mathematics, 14.02.2020 04:48 hdjsjfjruejchhehd
Identify the following surfaces as an elliptical paraboloid, hyperbolic paraboloid, a hyperboloid of one sheet, a hyperboloid of two sheets, a cone, a circular cylinder, an elliptical cylinder, or a parabolic cylinder, and identify the axis of symmetry as the x-axis, the y-axis, or the z-axis. a. β2x2+6y2βz2=0β2x2+6y2βz2=0b. β9x2β9y2+z2=1β9x2β9y2+z2=1c. 3x2+9y2βz=03x2+9y2βz=0d. 6y2β3x2β9z2+1=06y2β3x2β9z2+1=0e. 4y2+4z2=14y2+4z2=1
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