Рябушко А.П. ИДЗ 4.2 вариант 30

№1.30. Build the surface and to determine their views as well) 27x2 - 63y2 + 21z2 = 0; b) 3x2 - 7y2 - 2z2 = 42.
№2.30. Write the equation and determine the type of the surface obtained by the rotation of the line around the specified axes, making pattern. a) 3x2 = - 4y; 0z; b) 4x2 + 3z2 = 12; Oz.
№3.30. Build a body bounded by said surfaces: a) y = 5x; y = 0; x = 3; z = 0. typos NOT Renshaw
b) 4 · (x2 + y2) = z2; x2 + y2 = 4; z ≥ 0; y ≥ 0.

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