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Mathematics
Problem
Determine all real values of
a
a
a
for which
lim
x
→
2
−
a
(
x
−
2
)
3
=
+
∞
\displaystyle \lim_{x\to 2^{-}} \frac{a}{(x-2)^{3}} = +\infty
x
→
2
−
lim
(
x
−
2
)
3
a
=
+
∞
.
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