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Matematika pro Kybernetiku Lecture Notes

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e) −1 < a < 0<br />

|a| ∈ (0, 1), tedy podle c)<br />

a podle Věty 3.10, 2 a)<br />

f) a ≤ −1<br />

lim<br />

n→∞ bn = lim<br />

n→∞ a2n<br />

lim<br />

n→∞ |an | = lim<br />

n→∞ |a|n = 0<br />

lim<br />

n→∞ an = 0.<br />

=<br />

lim<br />

n→∞ cn = lim<br />

n→∞ a2n+1 =<br />

Dvě vybrané posloupnosti (bn) ∞ n=1 , (cn) ∞ n=1<br />

(a n ) ∞ n=1<br />

<br />

<br />

1 <strong>pro</strong> a = −1,<br />

∞ <strong>pro</strong> a < −1,<br />

−1 <strong>pro</strong> a = −1,<br />

−∞ <strong>pro</strong> a < −1.<br />

mají r˚uzné limity, tedy podle Věty 3.14<br />

lim<br />

n→∞ an neexistuje.<br />

z posloupnosti

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