CHO A(–1; 2; 1), B(–4; 2; –2), C(–1; –1; –2). PT MP(ABC) LÀ
Câu 50. Cho A(–1; 2; 1), B(–4; 2; –2), C(–1; –1; –2). Pt mp(ABC) là:
A. x + y – z = 0 B. x – y + 3z = 0 C. 2x + y + z – 1 = 0 D. 2x + y – 2z + 2
= 0Bạn đang xem câu 50. - TRAC NGHIEM HINH HOC OXYZ
