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I'm trying to solve a PDE in mathematica of this form:

d^2 f / dx^2 = df/dt + f

where f is a function of x and t.

So I input this:

DSolve[D[V[x, t], {x, 2}] == V[x, t] + D[V[x, t], {t, 1}],

V[x, t], {x, t}]

does anyone know why no answer shows up? thanks.

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# Mathematica Question

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