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Mathematics
Mathematics
Problem
Evaluate
lim
x
→
1
(
x
3
−
1
x
−
1
)
(
x
2
−
1
x
2
+
x
−
2
)
\displaystyle \lim_{x \to 1} \left( \frac{x^{3}-1}{x-1} \right) \left( \frac{x^{2}-1}{x^{2}+x-2} \right)
x
→
1
lim
(
x
−
1
x
3
−
1
)
(
x
2
+
x
−
2
x
2
−
1
)
.
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