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Byju's Answer
Standard XII
Physics
Acceleration in 2D
Prove that th...
Question
Prove that the vectors
2
^
i
−
3
^
j
−
^
k
and
−
6
^
i
+
9
^
j
+
3
^
k
are parallel.
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Solution
→
A
=
2
i
−
3
j
−
k
and
→
B
=
−
6
i
+
9
j
+
3
k
Here,
→
B
=
−
3
→
A
Hence,
→
A
is parallel to
→
B
.
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0
Similar questions
Q.
Show the vectors
→
A
=
2
^
i
−
3
^
j
−
^
k
and
→
B
=
−
6
^
i
+
9
^
j
+
3
^
k
are parallel.
Q.
If
→
a
=
2
^
i
+
3
^
j
+
^
k
,
→
b
=
2
^
i
+
p
^
j
+
3
^
k
and
→
c
=
2
^
i
+
17
^
j
+
3
^
k
are coplanar vectors, then the value of p is
Q.
The unit vector in the direction of
2
^
i
+
3
^
j
+
^
k
is
Q.
The unit vector which is orthogonal to the vector
3
^
i
+
2
^
j
+
6
^
k
and is coplanar with the vectors
2
^
i
+
^
j
+
^
k
a
n
d
^
i
−
^
j
+
^
k
Q.
Calculate the angle between the vectors
→
A
=
2
^
i
+
2
^
j
−
^
k
and
→
B
=
6
^
i
−
3
^
j
+
2
^
k
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