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Byju's Answer
Standard XII
Mathematics
Properties of Determinants
Evaluate: |...
Question
Evaluate:
∣
∣ ∣ ∣
∣
1
l
o
g
x
y
l
o
g
x
z
l
o
g
y
x
1
l
o
g
y
z
l
o
g
z
x
l
o
g
z
y
1
∣
∣ ∣ ∣
∣
x,y,z being +ive.
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Solution
Zero.
l
o
g
n
m
=
l
o
g
m
l
o
g
n
.
Hence each row becomes
log x log y log z i.e. identical.
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Q.
If
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∣
∣ ∣ ∣
∣
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log
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log
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log
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1
log
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∣
∣ ∣ ∣
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is