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Câu hỏi: Cho Tìm nguyên hàm $F\left( t \right)=\int{txdt}$
A. $F\left( t \right)=x+t+C$.
B. $F\left( t \right)=\dfrac{{{x}^{2}}t}{2}+C$.
C. $F\left( t \right)=\dfrac{x{{t}^{2}}}{2}+C$.
D. $F\left( t \right)=\dfrac{{{\left( tx \right)}^{2}}}{2}+C$
A. $F\left( t \right)=x+t+C$.
B. $F\left( t \right)=\dfrac{{{x}^{2}}t}{2}+C$.
C. $F\left( t \right)=\dfrac{x{{t}^{2}}}{2}+C$.
D. $F\left( t \right)=\dfrac{{{\left( tx \right)}^{2}}}{2}+C$
$F\left( t \right)=\int{txdt}=\dfrac{x{{t}^{2}}}{2}+C$.
Đáp án C.