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1.4. LÍMITE DE SUCESIONES 55<br />

Veamos aquí varios de ellos. En primer lugar hallamos an y an+1. Eneste<br />

caso,<br />

an = 3n<br />

n +2<br />

an+1 =<br />

a) Construyendo comparativamente an y an+1.<br />

(n +1)+2>n+2⇒ 1<br />

n +2 <<br />

⇒ 3n<br />

n +2 <<br />

1<br />

(n +1)+2 ⇒<br />

3(n +1)<br />

(n +1)+2<br />

3n 3(n +1)<br />

<<br />

(n +1)+2 (n +1)+2 ⇒ an

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