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Byju's Answer
Standard X
Mathematics
Reciprocal Ratio
The sum of th...
Question
The sum of the reciprocals of two consecutive odd natural numbers is
12
35
. Find those numbers.
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Solution
Let the numbers be
x
and
x
+
2
Thus,
1
x
+
1
(
x
+
2
)
=
12
35
35
(
x
+
2
)
+
35
x
=
12
x
(
x
+
2
)
12
x
2
−
46
x
+
70
=
0
6
x
2
−
23
x
+
35
=
0
(
6
x
+
7
)
(
x
−
5
)
=
0
x
=
−
7
6
x
=
5
Since
x
is an integer so,
x
=
5
Therefoe numbers are
5
and
7
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