Mathematics · Vectors
माना a और b दो मात्रक सदिश (unit vectors) हैं। यदि c = a + 2b और d = 5a - 4b एक-दूसरे पर लंबवत हैं, तो a और b के बीच का कोण है:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1π8
- 2π3✓
- 3π4
- 4π6
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π3
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