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下列求函数的导数正确的是( )
A.\(\left [ {\ln {\left ( {2x+1} \right )}} \right ]^{\, '}=\frac {2} {2x+1}\)
B.\(\left ( {{e}^{5x-4}} \right )^{\, '}={e}^{5x-4}\)
C.\(\left ( {\sqrt {2x-1}} \right )^{\, '}=\frac {1} {\sqrt {2x-1}}\)
D.\(\left [ {\cos {\left ( {2x+\frac {\pi } {3}} \right )}} \right ]^{\, '}=2\sin {\left ( {2x+\frac {\pi } {3}} \right )}\)
参考答案:AC