Let-f-x-0-x-e-t-dt-then-f-x-

Question Number 110247 by Rio Michael last updated on 28/Aug/20

Let f (x) = \int_{0}^{x} e^{- t} d t

then f^{″} (x) = ? ?

Answered by bemath last updated on 28/Aug/20

f^{'} (x) = e^{- x} \Rightarrow f^{″} (x) = - e^{- x}

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