Classify each of the following equations as to order and degree: a. 3dy + (4xy - secx) dx = 0 b. L d2q/dt2 + R dq/dt + q/C = E (t) c. y''' + xy'' + 5y(y')2 + x2y = 0 d. (d3r/dt3)2 - (d2r/dt2)4 + rt2 = 6t e. 2y'' - 3y' + y = 3cosx + 8

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A: which of the following equation is exact DE? (i) x2+1dx+xydy=0 (ii) xdy+3x-2ydx=0 (iii) 2xy…

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Q: + 5)3; 3. dy

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A: (a+bc)(d-e)=f(ac+bc)(d-e)=f

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A: Given:

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A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

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Q: Can you subtract v2(d2y/dv2) to v2(dy/dx)2 ?

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Q: 1. Solve: 2 dy (2y + 3) dx 4x + 5,

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A: Using property of integration,

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Q: sinh x 20. 1x1-3 A) 2. B)-2. D) 0.

A: