Вариант 10 ИДЗ 4.2

№1.10. Build surfaces and determine their appearance a) 5z2 + 2y2 = 10x; b) 4x2 - 3y2 - 5z2 + 60 = 0.
No. 2.10. Write the equation and determine the type of surface obtained by rotating this line around the specified coordinate axis, draw a picture. a) y2 - 5x2 = 5; Oy; b) y = 3; z = 1; Ox.
№ 3.10. Build a body bounded by the specified surfaces: a) y = 4x; y = 0; x = 1; ...; z = 0.