Back to JEE Main 2023 Vectors & 3D Geometry

JEE Main 2023Mathematics Vectors & 3D Geometry

hard
mcq
2023
Official previous-year question

Verified 30 May 2026.

Question

The equation of the plane passing through $(1, 2, 3)$ and perpendicular to the vector $2\hat{i} + 3\hat{j} - \hat{k}$ is:

Options

  1. A

    $2x + 3y - z = 5$

  2. B

    $2x + 3y - z = 1$

  3. C

    $2x - 3y + z = 5$

  4. D

    $x + 2y - 3z = 5$

Solution

$2(x-1) + 3(y-2) - (z-3) = 0$

$$2x + 3y - z = 2 + 6 - 3 = 5$$

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