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Mathematics
Mathematics
Problem
Find
lim
x
→
−
1
x
4
−
1
x
3
+
1
\displaystyle \lim_{x\to-1}\frac{x^{4}-1}{x^{3}+1}
x
→
−
1
lim
x
3
+
1
x
4
−
1
. a)
4
3
\dfrac{4}{3}
3
4
b) Does not exist c)
−
4
3
-\dfrac{4}{3}
−
3
4
d)
0
0
0
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