Biết \(\int {f\left( x \right)dx} = {x^2} + C\). Tính \(\int {f\left( {2x} \right)dx} \).
A.\(\int {f\left( {2x} \right)dx} = \dfrac{1}{2}{x^2} + C\)
B.\(\int {f\left( {2x} \right)dx} = \dfrac{1}{4}{x^2} + C\)
C.\(\int {f\left( {2x} \right)dx} = 2{x^2} + C\)
D.\(\int {f\left( {2x} \right)dx} = 4{x^2} + C\)
A.\(\int {f\left( {2x} \right)dx} = \dfrac{1}{2}{x^2} + C\)
B.\(\int {f\left( {2x} \right)dx} = \dfrac{1}{4}{x^2} + C\)
C.\(\int {f\left( {2x} \right)dx} = 2{x^2} + C\)
D.\(\int {f\left( {2x} \right)dx} = 4{x^2} + C\)
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Hóa Học lớp 12
