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Byju's Answer
Standard IX
Mathematics
Linear Equation in 2 Variables
Find the root...
Question
Find the roots of the equations :
x
+
1
x
=
3
,
x
≠
0
Open in App
Solution
x
+
1
x
=
3
x
≠
0
⇒
x
2
+
1
=
3
x
⇒
x
2
−
3
x
+
1
=
0
⇒
x
2
+
9
4
−
2
(
3
2
)
x
=
5
4
⇒
(
x
−
3
2
)
2
=
(
√
5
2
)
2
⇒
x
=
3
2
±
√
5
2
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