Mathematics · Geometry
The angle between the planes 3x + y + 2z = 2 and x - 3y + 2z = 4 is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cos-12√14
- 2cos-12√11
- 3cos-12√11√14✓
- 4cos-13√11√14
Correct answer
cos-12√11√14
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