Ryabushko A.P. IDZ 5.2 option 2

Ryabushko A.P. IDZ 5.2 option 2

DHS - 5.2
№1.2. Prove that the function f (x) = 1 - cos x; φ (x) = 3x2 as x → 0 are the infinitesimal of the same order of smallness.
№2.2 Find limits.
№3.2 investigate these functions continuity and build their schedules.
№4.2 investigate these functions continuity at these points. f (x) = ....; x1 = 3; x2 = 4.

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