1. 
                                6x-10
                            
                                                    
                                2. 
                                \frac{2x^{3}-30x}{(10-x^{2})\sqrt{10-x^{2}}}
                            
                                                    
                                3. 
                                e^{x}x+2e^{x}
                            
                                                    
                                4. 
                                -\frac{1}{4(4+x)^{\frac{3}{2}}}
                            
                                                    
                                5. 
                                \frac{8}{(-2+x)^{3}}
                            
                                                    
                                6. 
                                -\frac{-2\ln(x)+3}{10x^{3}}
                            
                                                    
                                7. 
                                -\frac{2}{x^{3}}
                            
                                                    
                                8. 
                                -\frac{a^{2}\cos(\frac{ax}{π})}{π^{2}}
                            
                                                    
                                9. 
                                \frac{30}{(2-x)^{3}}
                            
                                                    
                                10. 
                                \cos(2θ)\cdot 2