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Byju's Answer
Standard XII
Mathematics
Higher Order Derivatives
The value of ...
Question
The value of the expression
⎛
⎜ ⎜
⎝
81
1
log
5
9
+
3
3
log
√
6
3
409
⎞
⎟ ⎟
⎠
(
7
1
log
25
7
−
5
1
log
√
6
3
5
)
is
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Solution
Given,
⎛
⎜ ⎜
⎝
81
1
log
5
9
+
3
3
log
√
6
3
409
⎞
⎟ ⎟
⎠
(
7
1
log
25
7
−
5
1
log
√
6
3
5
)
=
(
81
log
9
5
+
3
3
log
3
√
6
409
)
(
7
log
7
25
−
5
log
5
6
3
2
)
[
∵
log
a
b
=
1
log
b
a
]
=
⎛
⎝
25
+
6
3
2
409
⎞
⎠
(
25
−
6
3
2
)
[
∵
m
log
a
=
log
a
m
&
a
log
a
b
=
b
]
=
625
−
216
409
=
1
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Similar questions
Q.
⎛
⎜ ⎜
⎝
(
81
)
1
log
5
9
+
3
3
log
√
6
3
409
⎞
⎟ ⎟
⎠
(
(
√
7
)
2
log
25
7
−
(
125
)
log
25
6
)
=
Q.
⎛
⎜ ⎜
⎝
(
81
)
1
log
5
9
+
3
3
log
√
6
3
409
⎞
⎟ ⎟
⎠
(
(
√
7
)
2
log
25
7
−
(
125
)
log
25
6
)
=
Q.
Express
log
26
51
−
log
91
119
in terms of
log
2
and
log
3
Q.
Express in term of
log
2
and
log
3
:
(i)
log
4.5
(ii)
log
26
51
−
log
91
119
Q.
The value of the expression
log
8
512
+
[
log
7
+
log
42
−
log
6
log
49
]
is
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