Differential Equations and Linear Algebra - Quiz 2 Solutions | MATH 0033, Quizzes of Mathematics

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Spring 2009 — Math 33 Name: Ss Quiz #2 In-Class (front — turn over for more problems) 1. (1 pt. each) Determine into which of the five types of differential equations that we have studied the given equation falls: cmeth A 2, OM =] (a) x1 (xy—Idet yy (xy tay =0 +4 ex BLOCK (b) yoxly=2a'lnx o aaa ey faster ) 2 Ly ) Ok yi sayse nevmeqewas dy degree Tne So ** Lhe key NOM guess mists oer de, wy =U 20-1) _ — @) = Sepawalle. ed (ce) y'+2x 'y=6Vl+x7 fy, x>0 Bern eth a 2. (2 pts.) Solve the differential equation: dy _cos(x-y) 1. cox cary + Rink ey d& sinxsiny ee KK ble 4 a3 1 Casx omy 1-1 ay CO2% Ceo uy : OK Siar SY Ax Sane ® SON 4 Sedu ede vont, hy oy : i Ceox oy CEO | Sean ? = . | oe pt = lee xd nc, Ue teoy vs ova 6 eg dan ® = ban yy hy Ov = Box dy, Ope ee WS j Coy = C, CSeX Qeneval ~Chan = {de a 4G 7 fox een : my ao Ye C®e Ceresex ) Ln pore § i VESAN Nas Ba, ~ how [erry] = i [oe x] He / Brion ra ’ , Yaad wot fe volig ~ ball = dell +e | ~Renleooy | —— Daloua nl tC a Fe