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Question Practice

If the direction ratios of two skew lines are (1, 2, 3) and (4, 5, 6), what is their cross product?

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MCQ_SA
CBSE
Class 12
Mathematics
Mathematics Part - II
Three Dimensional Geometry
Question Bank

If the direction ratios of two...

Single Answer MCQ
Q-00078362

If the direction ratios of two skew lines are (1, 2, 3) and (4, 5, 6), what is their cross product?

1

-3i + 6j - 3k

2

3i - 6j + 3k

3

0

4

3i + 0j - 3k

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Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

What are the direction cosines of a line?

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Q2.

If a line makes angles α, β, and γ with the x, y, and z axes, respectively, what is true about the direction cosines l, m, n?

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Q3.

What do direction ratios represent for a line in three-dimensional space?

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Q4.

What happens to the direction cosines if the direction of a line is reversed?

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