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Differential Equations

Question
CBSEENMA12035802

Find the differential equation representing the family of curves y = aebx + 5 , where a and b are arbitrary constants.

Solution

y = aebx x e5y = aebx x e5y = αebxwhere  e5a = αDifferentiate w.r.t . 'x'dydx = α bebx dydx = bydydxy = bagain differentiate w.r.t 'x'yd2ydx2 - dydxxdydxy2 = 0yd2ydx2 - dydx2 = 0

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