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Question Number 149405 by mathdanisur last updated on 05/Aug/21

if   ∫f(x)dx = x^3 −3x^2 −c  find   f(−2) = ?

$${if}\:\:\:\int{f}\left({x}\right){dx}\:=\:{x}^{\mathrm{3}} −\mathrm{3}{x}^{\mathrm{2}} −{c} \\ $$$${find}\:\:\:{f}\left(−\mathrm{2}\right)\:=\:? \\ $$

Commented by liberty last updated on 05/Aug/21

f(x)=3x^2 −6x  f(−2)=12+12=24

$$\mathrm{f}\left(\mathrm{x}\right)=\mathrm{3x}^{\mathrm{2}} −\mathrm{6x} \\ $$$$\mathrm{f}\left(−\mathrm{2}\right)=\mathrm{12}+\mathrm{12}=\mathrm{24} \\ $$

Commented by mathdanisur last updated on 05/Aug/21

Thank You Ser

$${Thank}\:{You}\:{Ser} \\ $$

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