Quiz 4 Key (1) - Differential Equations Quiz#4 4.5 —4.9...

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Unformatted text preview: Differential Equations Quiz #4 4.5 —4.9 — Fall 2010 Name Show all your work neatly on notebook paper. Please circle your answers. 1. Solve: xzy”+2xy'—6y=0 2. Solve 2 of these 3 problems. It is your choice which two you pick and you may use the method of your choice. a) y"+2y' : 2x+5—e‘2" b) ym+yn:8x2 c) y” + y 2 sec2 x . . . . . 4 3. lesh solvmg the system of equations gwen that x = (:1 e“t + 5 et. 2Dx—5x+Dy=et Dx— x+Dy=5et DI'H- 9Q ' Qw‘a #4“ PM 20’0 0 Xlg”+2xg’~'(p?:o gm” mfim~13Lm4g¢z +~ ZXMKMfl—Oxm—‘ro \gép XMEMCM~:’) +Lm~caj :0 )("FflmZ—pmwéo) :0 CM+EDCm-Z):O b3) MJL cl) Br "t1? = 2X +5 —a""‘"’ m +2m:O #ZX mtmwfio #> magma: a2, ~b 30:0: +626 [email protected]+B)+ CXO‘Z’X=A xz+£>§g<Q/6‘M %o'f 2Ax+8 "ZEXg'ufigd flax 559 :: 2A +4C’X5"*’ "266 X—Zce» 2A4 W—r 424x 74 28 -W49‘;— ZX+5~€XZX “409"” +2034" Lia—‘43, 51/142,855 ’20:: fl] 3’ 1 +2 =5 '_ )2- QB: u] C: 72, 8:2 :- 61 +czldflax+ ’f’ ’ m +m'zz-O 5‘0: G’wzwcé‘dx - m‘Cm-khk‘lo ~bm=ojm=~l Lgvcxzfofi Mama) :Axfiganera“ 149’: 1m x3 +5sz +ch 13,," :.- 12H)? +LDBX+ZC, 3p“ :: 24M H513 5mmwa 1&4?ng 42.0, = 8x1 '12A_:8 (flame :0 (06+ch R :s 9A; :2 243 14(le}+(06=0 24 “(4%) 0Q '3 [email protected] 3W“ +120 —I> 9a :CIOW +0237‘DX W: 09% $1‘n¥\;cggzx+ginlx;/ Jainx 667% W\ Z 1 O h- ‘ 2 San/2X OWL “ESH'WSMX — “waka was 030x 0 I 2, “Wm MIX :Caaxzc :Mx Mil: emf/kw» M: I ~m>¢ Mg» 3 D96! , 5&3,de 3 Qn LBW/3L +420an %; 0.0m +035mX+ MAM-saw > 1+ MX mmmz)! .mwflummmmm'“” “Gin-I‘m“ 3: Cl +ng’ihy "I + Dal/WK ...
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This note was uploaded on 01/13/2012 for the course MATH 2914 taught by Professor Pamelasatterfield during the Fall '10 term at NorthWest Arkansas Community College.

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Quiz 4 Key (1) - Differential Equations Quiz#4 4.5 —4.9...

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