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Mathematics
Mathematics
Problem
(
2
+
1
)
6
−
(
2
−
1
)
6
(\sqrt{2} + 1)^6 - (\sqrt{2} - 1)^6
(
2
+
1
)
6
−
(
2
−
1
)
6
is equal to a. 101 b.
70
2
70\sqrt{2}
70
2
c.
140
2
140\sqrt{2}
140
2
d.
120
2
120\sqrt{2}
120
2
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