DeterminantHard
Question
Let 
r = 1, 2, 3 be three mutually perpendicular unit vectors, then the value of 
is equal to
r = 1, 2, 3 be three mutually perpendicular unit vectors, then the value of is equal to Options
A.0
B.± 1
C.± 2
D.None of these
More Determinant Questions
If the system of equations x + ay = 0, az + y = 0 and ax + z = 0 has infinite solutions, then the value of a is...The determinant =...If A, B are two n × n non-singular matrices, then...The value of ′k′ for which the set of equations 3x + ky - 2z = 0, x + ky + 3z = 0, 2 x + 3 y - 4 z = 0 has a...The equations x + 2y + 3z = 1, 2x + y + 3z = 2 and 5x + 5y + 9z = 4 have-...