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

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428_Answers_<br />

the function /(x) = -- on the <strong>in</strong>terval [0,1] where the division po<strong>in</strong>ts have<br />

--<br />

the form xk =l+ n<br />

(& = !, 2..... n). Therefore, lim sn = f ^2- = In 2.<br />

n -> oo J 1 H-*<br />

t520. j-7<br />

o<br />

. 1521. ~ . 1522. 152 p -|- 1 o<br />

= - oo334- 1523 - "T 1524 -<br />

^r<br />

o<br />

1525 - - -4o 1526. -jln-|<br />

4<br />

. 1527. In .<br />

j<br />

1528. 35~-321n3. 1529. arc tan 3 arc tan 2 =<br />

= arc tan . 1530. ln-| . 1531. ^. 1532. 1 -1= .<br />

V 5<br />

O o 4 o<br />

1535. ~ In 1<br />

1533. ~. 1534. ~.<br />

1536. %-+\-. 1537. |- 1538. In 2. 1539. 1 cosh<br />

1540. 0. 1541. ^7= + ir. 1542. arc tang ~. 1543. s<strong>in</strong>h 1 = -i-<br />

(* } .<br />

4 2 9^36 \ e J<br />

1544. tanh(ln3) tanh (In 2) = -^-<br />

. 1545. ^- + -|-s<strong>in</strong>h 2ji. 1546. 2. 1547. Di-<br />

verges. 1548. ; , if pl; diverges, if p0. 1575. H<strong>in</strong>t. ? (p)=\f (x) dx+( f (x) dx, where<br />

1<br />

-xp ~ l<br />

e~*. The first <strong>in</strong>tegral converges when p>0, the second when p is<br />

arbitrary. 1576. No. 1577. 2 /~~2 (" /7rff. 1578<br />

00<br />

IL<br />

2 2 In 3<br />

1580. C^f r<br />

f !?"**#. 1581. x = (6 a)/+a. 1582.4 21n3. 1583.8 ^JT.<br />

J 1+' 1<br />

21^3<br />

1584. 2~ , 1585. -^ 1586. -^ . 1587. 1~~. 1588. /""S-<br />

2 1/5 2 1^1 4-^ 4 3<br />

1589. 4 n. 1590. ~ 1" H2. 1591. In . ^-|^ 1592. ~ + T- 1593 - nr<br />

o y ^ 4 o

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