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Mathematics
Problem
A cubic polynomial has zeros
−
1
-1
−
1
,
2
2
2
and
3
3
3
, and its leading coefficient is
2
2
2
. Which of the following could represent the polynomial? a)
(
x
+
1
)
(
x
−
2
)
(
x
−
3
)
(x+1)(x-2)(x-3)
(
x
+
1
)
(
x
−
2
)
(
x
−
3
)
b)
−
2
(
x
+
1
)
(
x
−
2
)
(
x
−
3
)
-2(x+1)(x-2)(x-3)
−
2
(
x
+
1
)
(
x
−
2
)
(
x
−
3
)
c)
2
(
x
+
1
)
(
x
−
2
)
(
x
−
3
)
2(x+1)(x-2)(x-3)
2
(
x
+
1
)
(
x
−
2
)
(
x
−
3
)
d)
2
(
x
+
1
)
(
x
+
2
)
(
x
−
3
)
2(x+1)(x+2)(x-3)
2
(
x
+
1
)
(
x
+
2
)
(
x
−
3
)
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