№1.3. Build the surface and to determine their views as well) - 5x2 + 10y2 - z2 + 20 = 0; b) y2 + 4z2 = 5x2.
№2.3. Write the equation and determine the type of the surface obtained by the rotation of the line around the specified axes, making pattern. a) x2 = - 3z; 0z; b) 3x2 + 5z2 = 15; Ox.
№3.3. Build a body bounded by said surfaces: a) y2 + 3z2 = 6; 3x2 - 25y2 = 75; z ≥ 0.
b) x = 4; y = 2; x + 2y + 3z = 12; x = 0; y = 0; z ≥ 0.

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