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Mathematics
Problem
The expansion
x
+
(
x
3
−
1
)
1
/
2
5
+
x
−
(
x
3
−
1
)
1
/
2
5
{x + (x^3 - 1)^{1/2}}^5 + {x - (x^3 - 1)^{1/2}}^5
x
+
(
x
3
−
1
)
1/2
5
+
x
−
(
x
3
−
1
)
1/2
5
is a polynomial of degree a. 5 b. 6 c. 7 d. 8
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