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Mathematics
Mathematics
Problem
Evaluate:
lim
x
→
a
3
x
−
a
−
x
+
a
x
−
a
\lim_{x \rightarrow a} \frac{\sqrt{3x - a} - \sqrt{x + a}}{x - a}
x
→
a
lim
x
−
a
3
x
−
a
−
x
+
a
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