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Mathematics
Mathematics
Problem
Determine
lim
x
→
a
x
4
−
a
4
x
2
−
a
2
\displaystyle \lim_{x \to a} \frac{x^{4}-a^{4}}{x^{2}-a^{2}}
x
→
a
lim
x
2
−
a
2
x
4
−
a
4
, where
a
≠
0
a \neq 0
a
=
0
.
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