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