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Question
Mathematics
If N =(2 log 70 9800)(5 log 70 140)(7 log 70 2), then N is equal to
Q. If
N
=
(
2
l
o
g
70
9800
)
(
5
l
o
g
70
140
)
(
7
l
o
g
70
2
)
, then
N
is equal to
348
108
Continuity and Differentiability
Report Error
A
20
B
60
C
18
D
40
Solution:
N
=
(
2
l
o
g
70
(
(
70
)
2
×
2
)
)
(
5
l
o
g
70
(
70
×
2
)
)
(
7
l
o
g
70
2
)
=
(
2
2
+
l
o
g
70
2
)
(
5
1
+
l
o
g
70
2
)
(
7
l
o
g
70
2
)
=
20
(
2
×
5
×
7
)
l
o
g
70
2
=
20
(
7
0
l
o
g
70
2
)
=
20
×
2
=
40
.