1.ʃ dx = x + C 2. ʃ xⁿdx = $\frac{1}{n + 1}$xⁿ⁺¹ 3. ʃ xdx = $\frac{1}{2}$x² +C 4. ʃ $\frac{1}{x}$dx = ln|x| + c 5. ʃ a^xdx = $\frac{a^{x}}{\text{lna}}$ + C 6. ʃe^x = e^x + C 7. ʃ sinxdx = -cosx + C 8. ʃ cosxdx = sinx + C 9. ʃ tgxdx = -ln|cosx| + C 10. ʃ ctgxdx = ln|sinx| + C 11. ʃ $\frac{\text{dx}}{\cos^{2}x}$ = tgx + C 12. ʃ $\frac{\text{dx}}{\sin^{2}x}$ = - ctg + C 13. ʃ$\frac{\text{dx}}{x^{2} + \ a^{2}}$ = $\frac{1}{a}$arctg$\frac{x}{a}$ + C 14. ʃ $\frac{\text{dx}}{x^{2} - a^{2}}$ = $\frac{1}{2a}$ln |$\frac{x - a}{x + a}$| + C 15. ʃ $\frac{\text{dx}}{\sqrt{a^{2} - x^{2}}}$ = arcsin$\frac{x}{a}$ + C 16. $\frac{\text{dx}}{\sqrt{a^{2} + q}}$ = ln |x + $\sqrt{x^{2} + \ q}|\ $+ C