Vector Coplanar and Perpendicular (Jee Mains) | ExamDuo
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Scalar and Vector Products
Medium
Vector Coplanar and Perpendicular
Let u be a vector coplanar with the vectors a = 2i + 3j – k and b = j + k. If u is perpendicular to a and u. b = 24, then |u|² is equal to :
SELECT ONE OPTION
A
315
B
256
C
84
D
336
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