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Byju's Answer
Standard XII
Physics
Definite Integrals
Evaluate: ∫25...
Question
Evaluate:
∫
5
2
(ln x)dx
A
5
l
n
5
−
2
l
n
2
−
3
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B
5
l
n
5
+
2
l
n
2
−
3
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C
5
l
n
5
−
2
l
n
2
−
7
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D
5
l
n
5
−
2
l
n
2
+
3
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Solution
The correct option is
A
5
l
n
5
−
2
l
n
2
−
3
∫
5
2
(ln x)dx
=
(x ln x - x)
|
5
2
=
(5 ln 5 - 5) - (2 ln 2 -2)
=
5 ln 5 - 2 ln 2 - 3
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0
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