Three Dimensional Geometry

Bihar Board Class 12 · Mathematics · 89 past questions

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1. Q21 2025

   If two planes $x - 3y + 2z = 10$ and $7x + y - \lambda z = 5$ are perpendicular to each other, then…

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2. Q23 2025

   The angle between the planes $4x + 8y + z - 3 = 0$ and $y + z - 7 = 0$ is

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3. Q34 2025 Set E

   Find the acute angle between the line $\frac{x}{1}=\frac{y}{3}=\frac{z}{0}$ and the plane $2x+y=5$.

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