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Thread: Differential question

  1. June 13th 2008, 02:40 PM #1
    wren17
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    Differential question

    Why can both y = x - 3 and y = x + 2 both be considered solutions to the differential equation dy/dx - 1 = 0?
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  2. June 13th 2008, 02:46 PM #2
    wingless
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    Because,

    \frac{dy}{dx}=1

    dy = dx

    y = x + C

    So any solution in the form y=x+C is correct.
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