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Mathematics
Problem
Evaluate
lim
x
→
1
[
x
2
−
1
x
−
1
+
1
−
x
3
1
−
x
]
\displaystyle \lim_{x\to 1}\left[\dfrac{x^{2}-1}{x-1}+\dfrac{1-x^{3}}{1-x}\right]
x
→
1
lim
[
x
−
1
x
2
−
1
+
1
−
x
1
−
x
3
]
. a) 6 b) 4 c) 5 d) 0
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