Đặt \(u\left( x \right) = u,\,\,v\left( x \right) = v\). Chọn khẳng định đúng?
A.\(\left( {\dfrac{u}{v}} \right)' = \dfrac{{u'v - v'u}}{v}\)
B.\(\left( {\dfrac{u}{v}} \right)' = \dfrac{{u'v - v'u}}{{{v^2}}}\)
C.\(\left( {\dfrac{u}{v}} \right)' = \dfrac{{u'v + v'u}}{v}\)
D.\(\left( {\dfrac{u}{v}} \right)' = \dfrac{{u'v + v'u}}{{{v^2}}}\)
A.\(\left( {\dfrac{u}{v}} \right)' = \dfrac{{u'v - v'u}}{v}\)
B.\(\left( {\dfrac{u}{v}} \right)' = \dfrac{{u'v - v'u}}{{{v^2}}}\)
C.\(\left( {\dfrac{u}{v}} \right)' = \dfrac{{u'v + v'u}}{v}\)
D.\(\left( {\dfrac{u}{v}} \right)' = \dfrac{{u'v + v'u}}{{{v^2}}}\)
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Hóa Học lớp 12
