TRONG KHÔNG GIAN $ OXYZ,$ CHO ĐIỂM $ A\LEFT( {3;1;1} \RIGHT)$ VÀ ĐƯỜNG THẲNG $ $ D$:\FRAC{{X – 1}}{1} = \FRAC{Y}{2} = \FRAC{{Z + 1}}{1}.$ ĐƯỜNG THẲNG ĐI QUA $ A,$ CẮT TRỤC $ OY$ VÀ VUÔNG GÓC VỚI D CÓ PHƯƠNG TRÌNH LÀ
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Đề Thi Thử Tốt Nghiệp THPT 2022 Online Môn Toán Bám Sát Đề Tham Khảo-Đề 1
Thanh Thảo
Level:
Medium
Question Types: Multiple choice
Answers:
- $ \\\left\\\{ \\\begin{gathered}x = 3 + t \\\hfill \\\\\\y = 1 - t \\\hfill \\\\\\z = 1 + t \\\hfill \\\\\\\\\end{gathered} \\\right..$
- $ \\\left\\\{ \\\begin{gathered}x = - 1 + t \\\hfill \\\\\\y = 4 - 2t \\\hfill \\\\\\z = - 3 + 3t \\\hfill \\\\\\\\\end{gathered} \\\right..$
- $ \\\left\\\{ \\\begin{gathered}x = 3 + 3t \\\hfill \\\\\\y = 1 - t \\\hfill \\\\\\z = 1 + t \\\hfill \\\\\\\\\end{gathered} \\\right..$
- $ \\\left\\\{ \\\begin{gathered}x = - 3 + 3t \\\hfill \\\\\\y = 5 - 2t \\\hfill \\\\\\z = - 1 + t \\\hfill \\\\\\\\\end{gathered} \\\right..$