q3 - 5‘? 5/ /’ e AWrsi ofSharjah. Depart ent of Mathe...

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Unformatted text preview: 5‘? 5/ /’ e AWrsi ofSharjah. Depart ent of Mathe tics, and S MTH 2 r 11‘ 11 Spring, 2010 Name: ID# B, Section# X? "EB/i Q1. Determine whether the following DE is exact and solve it. 2 (32651833005: + (x3 + xey -— 2y)dy == 0 fVfi“ fix; a E a”? a» {,2 4? Q2. Solve the following DE: 6xydx + (4y + 9x2)dy by finding an appropriate 7 W ‘2?“ integrating factor 51/31? WWW Wmt‘ m.“ ,MW'W Q3. Solve the WP: xy W dy 2___ Z ’3 __ dx x ix“; x?!“ ,JX g \ Q29? W £3”) W W“ W, gig; Lg W. X 53% W W_ fl 2X W at“ (Eggs fi» 5,; /i “EL f: M???» C “g J 1% 5M 2;, “fig? W“ 5"“ ’ , a? a: CM, M L . Spring, 2010 Name: ID# Section# K, {7 7Q1. Determine whether the following DE is exact and solve it. {/2 ( Await? I . I; g7W6w...,_.W.Wmm“mg”; ’2‘ Wm M M: /, Q2. Solve the following DE: Wag) by finding an appropriate Wit integrating factor “fig ‘Xfigi "ff; % g; >3 m fly; a , " f”; j if; A}; 4:: we (filial!) n z‘éi} 7 Q3. Solve the IVP: xyzg‘i :y3 ~x3, dx y(1) = 3. ...
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q3 - 5‘? 5/ /’ e AWrsi ofSharjah. Depart ent of Mathe...

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