Mathematics
Senior High
-4がダメな理由を教えてください…
次の極限を求めよ。
【例
r"+2" (r=-4)
lim n+1
1218
[解] (i)|r|<4のとき
r"+2"
lim
nxj²+¹ +4²
(ii) r =4のとき
"+2"
lim
non+¹+4
(ii) >4のとき
lim
118
-= lim
118
-= lim
rn +2"
n+¹ +4"
4"+2"
n4n+1+4n
(赤)+(12)
r (Z)"+:
+1
4
-= lim
1+
r+
=
= lim
818
(笑)
n
4
r
0+0
r. 0+1
4"
4m {1+(1/2)"}
5.4"
1+0_1
r+0
-=0
r
_
1+0_1
5
5
Answers
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