Mathematics · Three Dimensional Geometry
Assertion (A): A line in space cannot be drawn perpendicular to the x, y, and z axes simultaneously. Reason (R): For any line making angles α, β, and γ with the positive directions of the x, y, and z axes respectively, cos2(α) + cos2(β) + cos2(γ) = 1.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Assertion (A) is false, but Reason (R) is true.
- 2Assertion (A) is true, but Reason (R) is false.✓
- 3Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
- 4Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Correct answer
Assertion (A) is true, but Reason (R) is false.
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