math244 winter05 quiz1 solution - ki k Quiz 1 Math 244 Wi...

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Unformatted text preview: - / ki k/ Quiz 1 Math 244 Wi 05 Name Show work for full credit. No calculators are to be used on this quiz. l.)(lO)Solve the following separable D.E.: y’+y2=y d/ 3 "Z: '0 t, . v; I 1 Ca («~33 :Cé‘fijc‘i ("l +ch\-\1': Cex < f , 2.). £10)Show that the following first order D.E. is homogeneous, V and solve it. (xy+y2+x2)dx — xzdy = 0 v» ' I l \( “H + )L Q '\ : ~\ v + I , z - ‘ - v 70A (3 x MAC-twi-tax (ch ~53 T _ 50 9M {ma h av» o W“ J/Yk Z. N I ~ VzL N(*K/+‘1]: I :- "—LLMC‘QA) 30 Now Rama-WM 9% ' Wtssm "L ): "£2 WUMX) ékfl e; “1‘4 \O‘ft/k‘ \A U‘MIXW c-‘M c? SM ‘k ,L bfi~ ‘4 mo WM M wyxkai ch _ xv +~ 1m?“ UK V 0W ‘ X K A V» JP» Solar-4 /¥+'K («(2% : %/+ ¥2+ l 3% ' {:1 9Q? : L00)“ “P W‘JRX‘X ‘— Acw" % —‘ W3“ * C MM r“; - {w [MAM—m] (fl kflk \Cxl) :3 U ...
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