Vector Magnitude Calculation (Jee Mains) | ExamDuo
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Scalar and Vector Products
Medium
Vector Magnitude Calculation
If (a + 3b) (2a + b) = 10 and a is unit vector perpendicular to b, then |b| = ?
SELECT ONE OPTION
A
± 4
B
√
8
3
C
√
3
D
8
Check
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