№1.9. Build the surface and to determine their views: a) x2 = 8 (y2 + z2); b) 2x2 + 3y2 - z2 = 18.
№2.9. Write the equation and determine the type of the surface obtained by the rotation of the line around the specified axes, making pattern. a) y2 = 3z; 0z; b) 2x2 + 3z2 = 6; Ox.
№3.9. Build a body bounded by said surfaces: a) z = x2 + 3y2; z = 0; x = 1; y = x; y = 0.
b) 8 z = (x2 + y2) + 3; z = 16x + 3.

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