... 3.4 Câu điểm Dạng 1: Vẽ tô màu miền D; sau tính diện tích 4 .1. 1 D : ABC, A (1, 1) , B(2, 3), C( 1, 2) 4 .1. 11 D : y = sin x, y = 0, ≤ x ≤ 2π 4 .1. 2 D : 1 ≤ x ≤ 2, ≤ y ≤ ex 4 .1. 12 D : y = x2 − 2x, ... 1 y 4.3 .11 y + + y = 0, y(0) = x +1 √ 4.3 .12 xy − y = (x2 + y ), y( 2) = √ √ 4.3 .13 ( xy + x)y − y = 0, y (1) = 4.3 .14 xy + y = y ln x, y (1) = 4.3 .15 y” + 2y = 3x, y (1) = 1, y (1) = 4.3 .16 y” − ... 4 .1. 3 D : y = cos x, y = 0, ≤ x ≤ 2π 4 .1. 13 D : y = 4 .1. 4 D : x2 + y = 2x, x2 + y = 2y 4 .1. 14 D : y = 4x, x2 = 4y 4 .1. 5 D : y = ln x, y = 1, x = e 4 .1. 15 D : y = ex − 1, y = e3x − 3, x = 4 .1. 6...