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JEE PYQ: Straight Lines Question 20

Question 20 - 2020 (07 Jan Shift 2)

If the foot of the perpendicular drawn from the point $(1, 0, 3)$ on a line passing through $(\alpha, 7, 1)$ is $\left(\frac{5}{3}, \frac{7}{3}, \frac{17}{3}\right)$, then $\alpha$ is equal to ______.

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Answer: 4


Learning Progress: Step 20 of 45 in this series