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Byju's Answer
Standard XII
Mathematics
Sarrus Rule
begin vmatrix...
Question
∣
∣ ∣
∣
a
−
b
b
−
c
c
−
a
x
−
y
y
−
z
z
−
x
p
−
q
q
−
r
r
−
p
∣
∣ ∣
∣
A
a(x+y+z)+b(p+q+r)+c
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B
abc+xyz+pqr
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C
None of these
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Solution
∣
∣ ∣
∣
a
−
b
b
−
c
c
−
a
x
−
y
y
−
z
z
−
x
p
−
q
q
−
r
r
−
p
∣
∣ ∣
∣
=
∣
∣ ∣
∣
0
b
−
c
c
−
a
0
y
−
z
z
−
x
0
q
−
r
r
−
p
∣
∣ ∣
∣
[by
C
1
→
C
1
+
C
2
+
C
3
]
Suggest Corrections
0
Similar questions
Q.
Without expanding the determinants, prove that
∣
∣ ∣
∣
a
b
c
x
y
z
p
q
r
∣
∣ ∣
∣
=
∣
∣ ∣
∣
y
b
q
x
a
p
z
c
r
∣
∣ ∣
∣
=
∣
∣ ∣
∣
x
y
z
p
q
r
a
b
c
∣
∣ ∣
∣
.
Q.
If
∣
∣ ∣
∣
a
p
x
b
q
y
c
r
z
∣
∣ ∣
∣
=
16
, then
∣
∣ ∣
∣
p
+
x
a
+
x
a
+
p
q
+
y
b
+
y
b
+
q
r
+
z
c
+
z
c
+
r
∣
∣ ∣
∣
is equal to
Q.
Prove the following identities:
∣
∣ ∣
∣
b
+
c
c
+
a
a
+
b
q
+
r
r
+
p
p
+
q
y
+
z
z
+
x
x
+
y
∣
∣ ∣
∣
=
2
∣
∣ ∣
∣
a
b
c
p
q
r
x
y
z
∣
∣ ∣
∣
.
Q.
Using properties of determinants, prove that
∣
∣ ∣
∣
b
+
c
c
+
a
a
+
b
q
+
r
r
+
p
p
+
q
y
+
z
z
+
x
x
+
y
∣
∣ ∣
∣
=
2
∣
∣ ∣
∣
a
b
c
p
q
r
x
y
z
∣
∣ ∣
∣
.
Q.
Using the property of determinants , prove that,
∣
∣ ∣
∣
b
+
c
p
+
r
y
+
z
c
+
a
r
+
p
z
+
x
a
+
b
p
+
q
x
+
y
∣
∣ ∣
∣
=
2
∣
∣ ∣
∣
a
p
x
b
q
y
c
r
z
∣
∣ ∣
∣
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