syms x t n;fx = intsintt t 0 x;fn = difff x n;result = subsfn x 0;prettyresult;
The nth derivative of the function f(x) = int(sin(t)/t, t, 0, x) evaluated at x = 0 is:
(-1)^(n+1)n!/(2(n+1))
or in factorial notation:
(-1)^(n+1)*n!/2!/n!
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