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Mathematics
Mathematics
Problem
Evaluate
lim
x
→
1
−
5
(
x
−
1
)
(
x
+
2
)
\displaystyle \lim_{x \to 1^{-}} \frac{5}{(x-1)(x+2)}
x
→
1
−
lim
(
x
−
1
)
(
x
+
2
)
5
.
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