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Polynomials
easy
0:00.0
What is the coefficient of
x
2
x^2
x
2
in the expansion of
(
x
+
1
)
4
(x + 1)^4
(
x
+
1
)
4
?
A
6
6
6
B
4
4
4
C
1
1
1
D
2
2
2
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