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Byju's Answer
Standard IX
Mathematics
Applications Scalar Triple Product
If a,b,c are ...
Question
If a,b,c are linearly independent, then
[
2
a
+
b
,
2
b
+
c
,
2
c
+
a
]
[
a
,
b
,
c
]
=
A
9
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B
8
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C
7
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D
None
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Solution
The correct option is
A
9
[
2
a
+
b
,
2
b
+
c
,
2
c
+
a
]
[
a
,
b
,
c
]
=
∣
∣ ∣
∣
2
1
0
0
2
1
1
0
2
∣
∣ ∣
∣
=
2
(
4
−
0
)
−
1
(
0
−
1
)
=
8
+
1
=
9
Suggest Corrections
0
Similar questions
Q.
If a,b,c are linearly independent, then
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c
,
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Q.
If a,b,c are linearly independent, then
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and
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Q.
Let
→
a
,
→
b
,
→
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be three linearly independent vectors then
[
→
a
+
→
2
b
−
→
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→
2
a
+
→
b
+
→
c
→
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]
[
→
a
→
b
→
c
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is
Q.
∣
∣ ∣
∣
a
−
b
−
c
2
a
2
a
2
b
b
−
c
−
a
2
b
2
c
2
c
c
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a
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b
∣
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