Mathematics
Senior High
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矢印間の計算過程を教えてください🙇♀️
445(1) lim
1+x-1-x
X→0
X
1
2-
オ→0 X
= lim
2
1+x)? +V1 x2+1-x
sin3x(1-cos 2x)
tan°x
オ→0
(2) lim
3
x→0
sin3x ·2sin?x
= lim
X→0
sin?x
cos'x
2sin 3xcos x
lim
X→0
sin x
sin 3x
=lim(2-3.
3x
.cos x
sin x
X→0
=2-3-1·1·1°=6
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