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Câu hỏi: Họ nguyên hàm của hàm số $f\left( x \right)={{e}^{2\text{x}}}+\dfrac{3}{x}$
A. $\int{f\left( x \right)\text{d}x={{e}^{2x}}+3\ln x+C}$.
B. $\int{f\left( x \right)\text{d}x=\dfrac{{{e}^{2x}}}{2}+3\ln \left| x \right|+C}$.
C. $\int{f\left( x \right)\text{d}x=\dfrac{{{e}^{2x}}}{2}+3\ln x+C}$.
D. $\int{f\left( x \right)\text{d}x={{e}^{2x}}+3\ln \left| x \right|+C}$.
A. $\int{f\left( x \right)\text{d}x={{e}^{2x}}+3\ln x+C}$.
B. $\int{f\left( x \right)\text{d}x=\dfrac{{{e}^{2x}}}{2}+3\ln \left| x \right|+C}$.
C. $\int{f\left( x \right)\text{d}x=\dfrac{{{e}^{2x}}}{2}+3\ln x+C}$.
D. $\int{f\left( x \right)\text{d}x={{e}^{2x}}+3\ln \left| x \right|+C}$.
$\int{f\left( x \right)\text{d}x=\dfrac{{{e}^{2x}}}{2}+3\ln \left| x \right|+C}$.
Đáp án B.