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Question 0503a
Sigma Notation
Partial Fractions
Question
Generate new
Express
x
+
4
(
x
−
7
)
(
x
+
5
)
\frac{x + 4}{(x - 7)(x + 5)}
(
x
−
7
)
(
x
+
5
)
x
+
4
as partial fractions
A
x
−
7
+
B
x
+
5
.
\frac{A}{x - 7} + \frac{B}{x + 5}.
x
−
7
A
+
x
+
5
B
.
Attempt
A
=
{A=}
A
=
B
=
{B=}
B
=
Answer
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