Mathematics
Senior High
2個目から3個目nで括るところについてルートの中だとnが二乗だけど括ってるから表記上nにしてるってことですか?
=
=
=
= lim
n=∞
n→∞
2
2 ( √ n² + 4 x + z
(√√n²+4n-n) (√n ² + 4
lim 2 (√n² + 4n+n)
n->∞ (n² + 4n)-n²
4
Iim 2n (11+ #+ + + 1)
n00
4n
lim √1+ + + + +1
N→∞
|+|
2
2
=1
n
2
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