A plane passes through the points A... | 3D Geometry

JEE MAIN 2021

25-02-2021 S2

Question

A plane passes through the points $\mathrm{A}(1,2,3), \mathrm{B}(2$, $3,1)$ and $\mathrm{C}(2,4,2)$. If O is the origin and P is ( 2 , $-1,1$ ), then the projection of ${ }^{\mathrm{OP}}$ on this plane is of length:

Select the correct option:

$\sqrt{\frac{2}{7}}$

$\sqrt{\frac{2}{3}}$

$\sqrt{\frac{2}{11}}$

$\sqrt{\frac{2}{5}}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Easy

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