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2) (10) Find the integrating factor and solve the initial value problem -2xy + y(1) Find an interval of solution
w of cooling, the rate at which the temperature of an object isproportional to the difference between the temperature 3) (10)
4) (11) Examine the differential equation 2xy - xy + y = -3+ln() Show that the functions xxi form a fundamental set for the
-2 9 - 0 : (O)- 2. y(0) - value problemy 10 Save the
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Answer #1

at = -K (T-Tor) k is constant To is surrounding lemperatur Now Im = 70°F at t=0 T(= 500 F t = 5 TH=200 °F thus IVP in DT - -

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