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Mathematics
Mathematics
Problem
Evaluate
lim
x
→
0
sin
(
3
x
)
(
1
−
cos
(
2
x
)
)
x
3
\displaystyle\lim_{x\to 0}\frac{\sin(3x)\,\bigl(1-\cos(2x)\bigr)}{x^{3}}
x
→
0
lim
x
3
sin
(
3
x
)
(
1
−
cos
(
2
x
)
)
.
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