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Byju's Answer
Standard XII
Mathematics
Addition of Vectors
If a→, b→, c→...
Question
If
a
→
,
b
→
,
c
→
are non-coplanar vectors, then vectors
a
→
-
b
→
,
b
→
-
c
→
and
c
→
-
a
→
from a parallelopiped whose volume is ______________.
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Solution
for
vectors
a
→
,
b
→
and
c
→
,
a
→
-
b
→
b
→
-
c
→
c
→
-
a
→
=
a
→
-
b
→
×
b
→
-
c
→
·
c
→
-
a
→
By
defination
=
a
→
-
b
→
×
b
→
-
c
→
·
c
→
-
a
→
=
a
→
×
b
→
-
a
→
×
c
→
-
b
→
×
b
→
+
b
→
×
c
→
·
c
→
-
a
→
By
distributive
law
=
a
→
×
b
→
-
a
→
×
c
→
-
0
+
b
→
×
c
→
·
c
→
-
a
→
∵
b
→
×
b
→
=
0
=
a
→
×
b
→
·
c
→
-
a
→
×
c
→
·
c
→
+
b
→
×
c
→
·
c
→
-
a
→
×
b
→
·
a
→
+
a
→
×
c
→
·
a
→
-
b
→
×
c
→
·
a
→
=
a
→
×
b
→
·
c
→
-
0
+
0
-
0
+
0
-
b
→
×
c
→
·
a
→
=
a
→
b
→
c
→
-
a
→
b
→
c
→
=
0
i
.
e
a
→
-
b
→
b
→
-
c
→
c
→
-
a
→
=
0
i
.
e
volume
of
parallelopiped
is
0
.
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0
Similar questions
Q.
If non-coplanar vectors
a
→
,
b
→
,
c
→
from a parallelopiped of volume 6 cubic units, then the values of
a
→
+
b
→
b
→
+
c
→
c
→
+
a
→
are _______________.
Q.
If a, b, c are three non-coplanar vectors such that volume of parallelopiped formed with a, b, c, as coterminous edges is equal to volume of parallelopiped formed with
a
×
b
,
b
×
c
,
c
×
a
as coterminous edges, then:
Q.
The edges of a parallelopiped are of unit length and are parallel to non-coplanar unit vectors
a
,
b
,
c
such that
a
.
b
=
a
.
c
=
b
.
c
=
1
2
.
Then the volume of the parallelopiped is
Q.
If three non-coplanar vectors
a
→
,
b
→
,
c
→
from a parallelopiped of volume 8 cubic units, then the values of
3
a
→
4
b
→
5
c
→
are _________________.
Q.
If the volume of the parallelopiped formed by three non-coplanar vectors
→
a
,
→
b
and
→
c
is 4 cubic units, then
[
→
a
×
→
b
→
b
×
→
c
→
c
×
→
a
]
=
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