Class 12 Mathematics: 3-D (Three Dimensional) Geometry — Flashcards | Class 12 Math | FatSkills

Class 12 Mathematics: 3-D (Three Dimensional) Geometry — Flashcards

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MCQs on direction cosines and line ratios, line equation in space, angle and shortest distance b/w two lines, plane, angle b/w two planes, two lines coplanarity, point distance from plane, angle b/w line and plane.

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If a, b, c are the direction ratios of the line and l, m, n are the direction cosines of the line, then which of the following is true?
\(\frac{l}{a}=\frac{m}{b}=\frac{n}{c}=μ\)
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