Tập nghiệm của bất phương trình
là
A.
.
![img1](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2019401586346200217/obj2019401586346200217261590_images/obj2019401586346200217261590_img1.png)
B.
.
![img1](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2019401586346200217/obj2019401586346200217354637_images/obj2019401586346200217354637_img1.png)
C.
.
![img1](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2019401586346200217/obj2019401586346200217766621_images/obj2019401586346200217766621_img1.png)
D.
.
![img1](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2019401586346200217/obj2019401586346200217859667_images/obj2019401586346200217859667_img1.png)
Đáp án và lời giải
Đáp án:C
Lời giải:Phân tích:
Vậy đáp án đúng là C.
![img1](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2019401586346200217/obj2019401586346200217921722_images/obj2019401586346200217921722_img1.png)
![img2](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2019401586346200217/obj2019401586346200217921722_images/obj2019401586346200217921722_img2.png)