Tìm m để
Giúp mình bt9 với
----- Nội dung ảnh -----
BTg. Tìm đề
a) \( A \cap B = \emptyset \) bt \( A = (m;j;m+5); B = (-1;3) \)
b) \( A \cup B \cap B = \mathbb{R} \) bt \( A = (-\infty;m-3); B = (m;i+\infty) \)
c) \( A \cap C \) bt \( A = (-2;8); B = (m-4;2m+3) \)
d) \( A \cap C \setminus B \) bt \( A = \left( \frac{1}{2}m-3; m+1 \right); B = (-10;10) \)
BT8:
a) \( (-\infty;2) \cup (-3;3) = (-\infty;3) \)
b) \( (6;8) \cup (7;+\infty) = (6;+ \infty) \)
c) \( (-\infty;5) \cap (3;+\infty) = [3;5) \)
----- Nội dung ảnh -----
BTg. Tìm đề
a) \( A \cap B = \emptyset \) bt \( A = (m;j;m+5); B = (-1;3) \)
b) \( A \cup B \cap B = \mathbb{R} \) bt \( A = (-\infty;m-3); B = (m;i+\infty) \)
c) \( A \cap C \) bt \( A = (-2;8); B = (m-4;2m+3) \)
d) \( A \cap C \setminus B \) bt \( A = \left( \frac{1}{2}m-3; m+1 \right); B = (-10;10) \)
BT8:
a) \( (-\infty;2) \cup (-3;3) = (-\infty;3) \)
b) \( (6;8) \cup (7;+\infty) = (6;+ \infty) \)
c) \( (-\infty;5) \cap (3;+\infty) = [3;5) \)