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JEE Main 2019 · 8 Apr · Shift II

JEE Main 2019 Mathematics question on Three Dimensional Geometry

The magnitude of the projection of the vector 2i^+3j^+k^2\hat{i} + 3\hat{j} + \hat{k} on the vector perpendicular to the plane containing the vectors i^+j^+k^\hat{i} + \hat{j} + \hat{k} and i^+2j^+3k^\hat{i} + 2\hat{j} + 3\hat{k}, is
  1. A.
    32\dfrac{\sqrt{3}}{2}
  2. B.
    6\sqrt{6}
  3. C.
    363\sqrt{6}
  4. D.
    32\sqrt{\dfrac{3}{2}}
Show answer

Correct option: D

[JEE Main 2019 · 8 Apr · Shift II]

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