Question

nnn

請問第四題怎麼寫？我的算法為什麼錯？
謝謝

5
3 lim
81x
21 24
32n-1
-24
4n+1
52+3+42n+2
a =
lim q*
478
DE
4 lim /2" +3" +5″ =
n
n
n
(解)
-
818
= 10
Ⓡ = 1Tm 2² + 3x + 5 =
>
njoo
5" x 125 + 16 " x 16.
16h
fn.
$104
3 [3114
O
5
O
X ₂²1 + ² v (
e-sic
1129 x
2+3+5=10.
匹,b=√2,c=0.99, Xn
3
Tu Bily
3=3
J2=11414 0199
b>asc
yerel
vyb
lim
4700
17m
670
n
2a"
3+4a"
inil
+
*
fu
56h
6+7b"
a
bh t
3A49"
8
+
h
8c
9+10c
+
n
bln
6+76²

極限

Answer 1

everything is OK

(2^n+3^n+5^n)^1/n，因為連加裡5^n值最大，所以約為lim(5^n)^1/n=5