Cho hàm số f x = sin 3x + 1 Khẳng định nào sau đây đ
A.\(\int {f\left( x \right)dx = - \dfrac{1}{3}\cos \left( {3x + 1} \right) + C} \)
B.\(\int {f\left( x \right)dx = - \cos \left( {3x + 1} \right) + C} \)
C.\(\int {f\left( x \right)dx = \dfrac{1}{3}\cos \left( {3x + 1} \right) + C} \)
D.\(\int {f\left( x \right)dx = 3\cos \left( {3x + 1} \right) + C} \)
A.\(\int {f\left( x \right)dx = - \dfrac{1}{3}\cos \left( {3x + 1} \right) + C} \)
B.\(\int {f\left( x \right)dx = - \cos \left( {3x + 1} \right) + C} \)
C.\(\int {f\left( x \right)dx = \dfrac{1}{3}\cos \left( {3x + 1} \right) + C} \)
D.\(\int {f\left( x \right)dx = 3\cos \left( {3x + 1} \right) + C} \)
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Hóa Học lớp 12
