Question Number 13004 by Nayon last updated on 10/May/17
$${If}\:\int{f}\left({x}\right){dx}={g}\left({x}\right)\:,{then}\:{why} \\ $$$$\int_{{b}} ^{{a}} {f}\left({x}\right){dx}={g}\left({a}\right)−{g}\left({b}\right)??? \\ $$
If-f-x-dx-g-x-then-why-b-a-f-x-dx-g-a-g-b-