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JEE PYQ: Vector 3D Question 29

Question 29 - 2020 (02 Sep Shift 2)

A plane passing through the point $(3, 1, 1)$ contains two lines whose direction ratios are $1, -2, 2$ and $2, 3, -1$ respectively. If this plane also passes through the point $(\alpha, -3, 5)$, then $\alpha$ is equal to:

(1) $5$

(2) $-10$

(3) $10$

(4) $-5$

Show Answer

Answer: (1)


Learning Progress: Step 29 of 75 in this series