\text{Differentiate} \ln(x + \sqrt{3 + x^2}) \text{and} x\sqrtsqrt{3 + x^2}
\displaystyle = x\sqrt{3 + x^2}- \left \int \frac{x^2}{\sqrt{3 + x^2}} \right
\text{Differentiate} \ln(x + \sqrt{3 + x^2}) \text{and} x\sqrtsqrt{3 + x^2}
\displaystyle = x\sqrt{3 + x^2}- \left \int \frac{x^2}{\sqrt{3 + x^2}} \right