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Problem
Problem
The value of
lim
y
→
0
y
3
x
3
−
y
2
−
1
\lim_{y \to 0} \frac{y^3}{x^3 - y^2 - 1}
lim
y
→
0
x
3
−
y
2
−
1
y
3
as
(
x
,
y
)
→
(
1
,
0
)
(x, y) \to (1, 0)
(
x
,
y
)
→
(
1
,
0
)
along the line
y
=
x
−
1
y = x - 1
y
=
x
−
1
is a. 1 b. -1 c. 0 d. Doesn't exist
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