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Problems in Mathematical Analysis.pdf - pwp.net.ipl.pt

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24_Introduction to <strong>Analysis</strong>_[CH. 1<br />

as rt >oo is unity. For which values of n>N will we have<br />

the <strong>in</strong>equality<br />

K-l| 2<br />

How should one choose, for a given positive number e, some<br />

positive number 6 so that the <strong>in</strong>equality<br />

should follow from<br />

|* 2<br />

-4| +0 X + + 00 X -> 00<br />

170. F<strong>in</strong>d the limits of the sequences:<br />

a) I * _ 1 _ (- 1 )"" 1<br />

*} i, .<br />

2*3' 4<br />

b) V)<br />

1 1 1 _2n_<br />

1 3 '<br />

5<br />

' ' ' ' '<br />

2/i~l '<br />

c) 1/2; 1/2 1/2", 1/21/21/2", .<br />

d) 0.2, 0.23, 0.233, 0.2333,<br />

F<strong>in</strong>d the limits:<br />

171. Hm a+4 + l,+ ...<br />

n *\* *<br />

"*<br />

172. lirn<br />

fl -oo<br />

C + D ( + )(>. + 3)<br />

n<br />

173 ' Hm<br />

178*. lim<br />

n -* CD<br />

. . .<br />

' ' '<br />

. . ;<br />

...<br />

l) 2n+11<br />

2<br />

J'

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