Mathematics
Senior High
極限 -4がダメな理由がわからない
次の
151
例
r"+2"
lim
1218
(r=-4)
+¹ +4"
〔解〕 (i) ||<4のとき
lim
118
"+2"
lim
z n+¹ +4" 818
(ii) r = 4 のとき
j"+2"
p+¹ +4"
(ii) | >4のとき
lim
2218
r"+2"
lim
n→∞ ²+¹ +4²
2n+1
n
=
lim
2218
-
= lim-
2218
(赤)+(1/2)*
4
r (7)*+1
4
4"+2"
4+¹ +4"
1+
-= lim
1218
2
(²)
r+
+ ( 4 ) ²
r
0+0
r.0+1
=
₁² { 1 + ( ²2 )"}
4"
5.4"
-=0
1+0_1
r+0r
1+0=1
5
5
Answers
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