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Mathematics
Mathematics
Problem
3. Find the value of
(
a
2
+
a
2
−
1
)
4
+
(
a
2
−
a
2
−
1
)
4
\left(a^{2}+\sqrt{a^{2}-1}\right)^{4}+\left(a^{2}-\sqrt{a^{2}-1}\right)^{4}
(
a
2
+
a
2
−
1
)
4
+
(
a
2
−
a
2
−
1
)
4
.
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