Angle Between Two Vectors (Jee Mains) | ExamDuo
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Scalar and Vector Products
Medium
Angle Between Two Vectors
Angle between vectors i – j + k and i + 2 j + k is :
SELECT ONE OPTION
A
cos⁻¹ (1 / √
15
)
B
cos⁻¹ (4 / √
15
)
C
cos⁻¹ (4 / 15)
D
(π / 2) .
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