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Byju's Answer
Standard VIII
Mathematics
Factorisation by Common Factors
Simplify: n...
Question
Simplify:
(
n
2
+
1
n
2
)
−
4
(
n
+
1
n
)
+
6
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Solution
Now,
(
n
2
+
1
n
2
)
−
4
(
n
+
1
n
)
+
6
=
(
n
+
1
n
)
2
−
2.
n
.
1
n
−
4
(
n
+
1
n
)
+
6
[ Since
a
2
+
b
2
=
(
a
+
b
)
2
−
2
a
b
]
=
(
n
+
1
n
)
2
−
4
(
n
+
1
n
)
+
4
=
(
n
+
1
n
−
2
)
2
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1
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