imo class 12 three dimensional geometry

Which vector is perpendicular to plane 2x−y+4z=7?

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Which vector is perpendicular to plane 2x−y+4z=7?

  • A. (2,−1,4)
  • B. (1,2,3)
  • C. (2,1,4)
  • D. (4,−1,2)

Answer: A) (2,−1,4)

Explanation: Normal vector is perpendicular to plane.

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