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JEE PYQ: Vector 3D Question 25

Question 25 - 2021 (26 Feb Shift 1)

Let $(\lambda, 2, 1)$ be a point on the plane which passes through the point $(4, -2, 2)$. If the plane is perpendicular to the line joining the points $(-2, -21, 29)$ and $(-1, -16, 23)$, then $\left(\frac{\lambda}{11}\right)^2 - \frac{4\lambda}{11} - 4$ is equal to ______.

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Answer: 8


Learning Progress: Step 25 of 75 in this series