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Mathematics
Problem
Explain briefly why
lim
x
→
2
(
3
x
2
−
5
)
\displaystyle\lim_{x\to 2}(3x^2-5)
x
→
2
lim
(
3
x
2
−
5
)
can be obtained by directly substituting
x
=
2
x=2
x
=
2
.
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