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Câu hỏi: Nguyên hàm của hàm số $f\left( x \right)={{\left( 2x+5 \right)}^{5}}$ là :
A. $\int{f\left( x \right)dx}=\dfrac{{{\left( 2x+5 \right)}^{6}}}{6}+C$.
B. $\int{f\left( x \right)dx}=\dfrac{{{\left( 2x+5 \right)}^{6}}}{12}+C$.
C. $\int{f\left( x \right)dx}=\dfrac{{{\left( 2x+5 \right)}^{6}}}{2}+C$.
D. $\int{f\left( x \right)dx}=\dfrac{{{\left( 2x+5 \right)}^{6}}}{5}+C$.
A. $\int{f\left( x \right)dx}=\dfrac{{{\left( 2x+5 \right)}^{6}}}{6}+C$.
B. $\int{f\left( x \right)dx}=\dfrac{{{\left( 2x+5 \right)}^{6}}}{12}+C$.
C. $\int{f\left( x \right)dx}=\dfrac{{{\left( 2x+5 \right)}^{6}}}{2}+C$.
D. $\int{f\left( x \right)dx}=\dfrac{{{\left( 2x+5 \right)}^{6}}}{5}+C$.
$\int{f\left( x \right)dx}=\int{{{\left( 2x+5 \right)}^{5}}dx}=\dfrac{1}{2}.\dfrac{{{\left( 2x+5 \right)}^{6}}}{6}+C=\dfrac{{{\left( 2x+5 \right)}^{6}}}{12}+C$.
Đáp án B.