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5Â¥: Originally posted by dqmath at 2016-06-23 21:38:01
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>> syms t k h
>> int(t^(1-h)*exp(k*t),t)

ans =

1/k^2*(-k)^h*(-1/(2-h)*t^(-h)*(-k)^(-h)*(-2+h)*(-1+h)*h*gamma(-h)*(-k*t)^h-1/(2-h)*t^(-h)*(-k)^(-h)*(-1+h+k*t)*(-2+h)*exp(k*t)+1/(2-h)*t^(-h)*(-k)^(-h)*(-2+h)*(-1+h)*h*(-k*t)^h*gamma(-h,-k*t))
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