1.
4(\frac{1}{8}x\sqrt{4+x^{2}}+\frac{1}{2}\ln(\frac{\left|x+\sqrt{4+x^{2}}\right|}{2}))+C
2.
\frac{1}{4}(2x\sqrt{4x^{2}+1}+\ln\left|2x+\sqrt{1+4x^{2}}\right|)+C
3.
\frac{1}{2}x\sqrt{1+x^{2}}+\frac{1}{2}\ln\left|x+\sqrt{1+x^{2}}\right|+C
4.
25(\frac{1}{50}x\sqrt{25+x^{2}}+\frac{1}{2}\ln(\frac{\left|x+\sqrt{25+x^{2}}\right|}{5}))+C
5.
9(\frac{1}{18}x\sqrt{9+x^{2}}+\frac{1}{2}\ln(\frac{\left|x+\sqrt{9+x^{2}}\right|}{3}))+C
6.
4(\frac{1}{8}x\sqrt{4+x^{2}}+\frac{1}{2}\ln(\frac{\left|x+\sqrt{4+x^{2}}\right|}{2}))+C
7.
\frac{1}{2}x\sqrt{x^{2}+2}+\ln\left|\frac{1}{\sqrt{2}}x+\sqrt{\frac{1}{2}(2+x^{2})}\right|+C
8.
49(\frac{1}{98}x\sqrt{49+x^{2}}+\frac{1}{2}\ln(\frac{\left|x+\sqrt{49+x^{2}}\right|}{7}))+C
9.
\frac{1}{4}(2x\sqrt{4x^{2}+9}+9\ln(\frac{\left|2x+\sqrt{4x^{2}+9}\right|}{3}))+C
10.
\frac{1}{8}(4x\sqrt{16x^{2}+1}+\ln\left|4x+\sqrt{1+16x^{2}}\right|)+C
