resolve into partial fraction 1/x^3+1
Answers
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Explanation:
the factors of
(
x
3
−
1
)
are
(
x
−
1
)
and
(
x
2
+
x
+
1
)
Set the equations using variables A, B, C so that
1
x
3
−
1
=
A
x
−
1
+
B
x
+
C
x
2
+
x
+
1
solve for the variables so that
A
=
1
3
B
=
−
1
3
C
=
−
2
3
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