Vector Equation Perpendicular Vectors (Jee Mains) | ExamDuo
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Scalar and Vector Products
Medium
Vector Equation Perpendicular Vectors
Let
a, b
and
c
be three vectors mutually perpendicular to each other and have same magnitude. If a vector
r
satisfies.
a
× {(
r
-
b
) ×
a
} +
b
× {(
r
-
c
) ×
b
} +
c
× {(
r
-
a
) ×
c
} = 0, then r is equel to
SELECT ONE OPTION
A
1
2
(
a
+
b
+ 2
c
)
B
1
3
(
a
+
b
+
c
)
C
1
3
(2
a
+
b
-
c
)
D
1
2
(
a
+
b
+
c
)
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