Вариант 27 ИДЗ 5.2

EDS - 5.2
# 1.27 Prove that the functions f (x) = arcsin2x; φ (x) = 8x as x → 0 are infinitesimal of the same order of smallness.
№2.27 Find limits.
№ 3.27 Investigate these functions for continuity and build their graphs.
№4.27 Investigate these functions for continuity at the specified points. f (x) = ....; x1 = 1; x2 = 2;