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Mathematics
Mathematics
Problem
Evaluate the following limits in Exercises 1 to 22. 8.
lim
x
→
3
x
4
−
81
2
x
2
−
5
x
−
3
\lim _{x \rightarrow 3} \frac{x^{4}-81}{2 x^{2}-5 x-3}
lim
x
→
3
2
x
2
−
5
x
−
3
x
4
−
81
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