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Limits & Continuity
medium
0:00.0
What is
lim
x
→
1
x
4
−
1
x
−
1
\lim_{x \to 1} \frac{x^4 - 1}{x - 1}
lim
x
→
1
x
−
1
x
4
−
1
?
A
1
B
2
C
4
D
Undefined
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