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JEE Main 2019 · 11 Jan · Shift I

JEE Main 2019 Mathematics question on Three Dimensional Geometry

The direction ratios of normal to the plane through the points (0,−1,0)(0, -1, 0) and (0,0,1)(0, 0, 1) and making an angle π/4\pi/4 with the plane y−z+5=0y - z + 5 = 0 are
  1. A.
    2,−1,12, -1, 1
  2. B.
    2,1,−1\sqrt{2}, 1, -1
  3. C.
    2,2,−22, \sqrt{2}, -\sqrt{2}
  4. D.
    23,1,−12\sqrt{3}, 1, -1
Show answer

Correct option: B

[JEE Main 2019 · 11 Jan · Shift I]

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