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Foundations
easy
0:00.0
Evaluate
a
3
−
b
3
a
−
b
\frac{a^3 - b^3}{a - b}
a
−
b
a
3
−
b
3
when
a
=
3
a = 3
a
=
3
and
b
=
2
b = 2
b
=
2
.
A
19
B
27
C
5
D
7
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