Trong không gian tọa độ Oxyz, cho đường thẳng
và điểm
. Viết phương trình mặt phẳng
chứa d và đi qua A
A.A :
![img1](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169242697_images/obj2018511150268859169242697_img1.png)
B.B :
![img1](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169162247_images/obj2018511150268859169162247_img1.png)
C.C :
![img1](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169970684_images/obj2018511150268859169970684_img1.png)
D.D :
![img1](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169890233_images/obj2018511150268859169890233_img1.png)
Đáp án và lời giải
Đáp án:B
Lời giải:Phân tích:
Đường thẳng d có VTPT là
và đi qua
Ta có
mà
nhận
và
làm cặp VTCP
Khi đó
hay
![img1](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169605293_images/obj2018511150268859169605293_img1.png)
![img2](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169605293_images/obj2018511150268859169605293_img2.png)
![img3](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169605293_images/obj2018511150268859169605293_img3.png)
![img4](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169605293_images/obj2018511150268859169605293_img4.png)
![img5](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169605293_images/obj2018511150268859169605293_img5.png)
![img6](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169605293_images/obj2018511150268859169605293_img6.png)
![img7](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169605293_images/obj2018511150268859169605293_img7.png)
![img8](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169605293_images/obj2018511150268859169605293_img8.png)
![img9](https://cungthi.online/upload/questionbank3_20201220/eduquestion/2018511150268859169/obj2018511150268859169605293_images/obj2018511150268859169605293_img9.png)