For each of the following differential equations determine whether they are exact equations and, if so, find
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For each of the following differential equations determine whether they are exact equations and, if so, find the general solutions:
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dx (a) x + t=0 = dt dx (b) x-t=0 dt dx (c) (x + 1)+x-t=0 dt d.x (d) (x - )- dt d.x dt - - 2xt = 0 (e) (xt) -x+t-1= 0 dx (f) (2x +t) + x + 2t = 0 dt
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