Tìm họ nguyên hàm \(F\left( x \right) = \int {\dfrac{1}{{{{\left( {2x + 1} \right)}^3}}}dx} \)
A. \(F\left( x \right) = \dfrac{{ - 1}}{{4{{\left( {2x + 1} \right)}^2}}} + C\)             
B.\(F\left( x \right) = \dfrac{{ - 1}}{{6{{\left( {2x + 1} \right)}^2}}} + C\)              
C. \(F\left( x \right) = \dfrac{{ - 1}}{{4{{\left( {2x + 1} \right)}^3}}} + C\)             
D. \(F\left( x \right) = \dfrac{{ - 1}}{{6{{\left( {2x + 1} \right)}^3}}} + C\)

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