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Question 0503a
Sigma Notation
Partial Fractions
Question
Generate new
Express
x
−
7
(
x
+
8
)
(
x
−
9
)
\frac{x - 7}{(x + 8)(x - 9)}
(
x
+
8
)
(
x
−
9
)
x
−
7
as partial fractions
A
x
+
8
+
B
x
−
9
.
\frac{A}{x + 8} + \frac{B}{x - 9}.
x
+
8
A
+
x
−
9
B
.
Attempt
A
=
{A=}
A
=
B
=
{B=}
B
=
Answer
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