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Byju's Answer
Standard XII
Mathematics
Formation of a Differential Equation from a General Solution
Find the valu...
Question
Find the value of
3
+
1
6
+
1
6
+
1
6
+
.
.
.
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Solution
Let,
3
+
1
6
+
1
6
+
1
6
+
.
.
.
=
x
⇒
x
−
3
=
1
6
+
1
6
+
1
6
+
.
.
.
...(i)
⇒
(
x
−
3
)
=
1
6
+
⎛
⎜ ⎜ ⎜ ⎜ ⎜ ⎜ ⎜
⎝
1
6
+
1
6
+
1
6
+
.
.
.
⎞
⎟ ⎟ ⎟ ⎟ ⎟ ⎟ ⎟
⎠
⇒
(
x
−
3
)
=
1
6
+
(
x
−
3
)
[From (i)]
⇒
(
x
−
3
)
=
1
(
x
+
3
)
⇒
(
x
−
3
)
(
x
+
3
)
=
1
⇒
x
2
−
9
=
1
⇒
x
2
=
10
∴
x
=
√
10
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