IB Mathematics Analysis and Approaches Quiz
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NUMBER AND ALGEBRA
Question 1
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For a non-zero constant
c
c
c
, the expression
c
x
(
x
+
c
)
\frac{c}{x(x+c)}
x
(
x
+
c
)
c
is decomposed into
A
x
+
B
x
+
c
\frac{A}{x} + \frac{B}{x+c}
x
A
+
x
+
c
B
. Find the value of
A
−
B
A-B
A
−
B
.
A
0
B
1
C
2c
D
2
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