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Byju's Answer
Standard VIII
Mathematics
Algebraic Identities
Use suitable ...
Question
Use suitable identities to find the product :
(
x
2
+
1
x
2
)
(
x
2
−
1
x
2
)
Open in App
Solution
We need to find value of
(
x
2
+
1
x
2
)
(
x
2
−
1
x
2
)
The suitable identities
(
x
+
y
)
(
x
−
y
)
=
x
2
−
y
2
Therefore, value of
(
x
2
+
1
x
2
)
(
x
2
−
1
x
2
)
is
=
(
(
x
2
)
2
−
1
(
x
2
)
2
)
=
x
4
−
1
x
4
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4
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