$\int x \sqrt{x^2 + 3} \, dx$ belirsiz integralinin eşiti aşağıdakilerden hangisidir?
A) $\frac{1}{3}(x^2 + 3)^{3/2} + C$
B) $\frac{2}{3}(x^2 + 3)^{3/2} + C$
C) $\frac{1}{2}(x^2 + 3)^{3/2} + C$
D) $(x^2 + 3)^{3/2} + C$
E) $\frac{1}{3}(x^2 + 3)^{1/2} + C$
