math244 winter05 quiz2

# math244 winter05 quiz2 - ax Quiz 2 Math 244 Winter 05 Nam...

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Unformatted text preview: ax Quiz 2 Math 244 Winter 05 Nam Show all work for full credit. Find explicit solutions where possible. l.)(15)Show if the following D.E. is exact. If so, solve it as an exact equation by the method learned in class. (2+exy+xexy)dx + (xex+4)dy = O MON-,3 M453 M5:QX+X¢X©NX: X£X+€X 5::1CT V, Am ‘7 {My MOO-D = a = :2 «4- mg + m“) /“*”\i ngeka M166) ‘1 2K * ex“) "’ 3 Xenia" +567) 5662" ... 36%”) _ . ( x £6653: QV‘tﬁxtg .4— )(Q’Yb e{*l_9+5‘7) 9X4 ‘9LX ”é; 3' q?’k-,x2’”1;,€r’ 4-5'(57=AMB’4'% '— 4“th WM . Amid; Vigx 2.)(10) Show if the following D.E. is exact. If so, solve it as an exact equation by the method learned in class. Use the initial value given to find a particular solution. 2xydy+(3x2+y3)dx 5dy y(O)=2 (2x5-5>db + RNA-51M? I O N565) MOW?) tor 6(a): 2 (“wﬁiﬂéh “M“ ”7W" '4" 133%;5 «o c g 2/“ Mn XE—o- x’(o>—- 5(0) 2 8:7. if fowl X5=2 M , 3 (5%: 93 M ‘W ..... M Fwy/4 / “Sara-‘1' 13A : > ...
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