Cho \(\int {f\left( x \right){\rm{d}}x} = {F_1}\left( x \right)\), \(\int {g\left( x \right)
14/50
Cho \(\int {f\left( x \right){\rm{d}}x} = {F_1}\left( x \right)\), \(\int {g\left( x \right){\rm{d}}x} = {F_2}\left( x \right)\). Tính \[I = \int {\left[ {2g\left( x \right) - f\left( x \right)} \right]{\rm{d}}x} \].
\(2{F_1}\left( x \right) - {F_2}\left( x \right) + C\).
\({F_2}\left( x \right) - {F_1}\left( x \right) + C\).
\(2{F_2}\left( x \right) - {F_1}\left( x \right) + C\).
\(\left| {{F_1}\left( x \right) + {F_2}\left( x \right)} \right| + C\).
Giải thích
Ta có I=∫2gx−fxdx=2∫gx dx−∫fx dx=2F2x−F1x+C. Chọn C.