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Mathematics
Mathematics
Problem
Evaluate
lim
x
→
3
(
x
2
−
9
)
cos
x
x
−
3
\displaystyle\lim_{x\to 3}\frac{(x^{2}-9)\cos x}{x-3}
x
→
3
lim
x
−
3
(
x
2
−
9
)
cos
x
. a)
0
0
0
b)
−
6
cos
3
-6\cos 3
−
6
cos
3
c)
6
cos
3
6\cos 3
6
cos
3
d)
6
6
6
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