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Mathematics
Mathematics
Problem
For answers and explanations, turn to Chapter 19. 7. Find
lim
x
→
0
x
2
sin
x
1
−
cos
2
x
\lim _{x \rightarrow 0} \frac{x^{2} \sin x}{1-\cos ^{2} x}
lim
x
→
0
1
−
c
o
s
2
x
x
2
s
i
n
x
.
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