1.\:\:\frac{d}{dx}(\frac{x-1}{x+1})
2.\:\:\frac{d}{dx}(\frac{3x+9}{2-x})
3.\:\:\frac{d}{dx}(\frac{7x+4}{3x+2})
4.\:\:\frac{d}{dx}(\frac{4x-7}{x^2+5x})
5.\:\:\frac{d}{dx}(\frac{3x^2+5x+4}{\sqrt{x}})
6.\:\:\frac{d}{dx}(\frac{x}{x+1})
7.\:\:\frac{d}{dx}(\frac{2x^2}{x^2-x})
8.\:\:\frac{d}{dx}(\frac{\sqrt{x}}{3x})
9.\:\:\frac{d}{dx}(\frac{4x^2-2x+1}{2x+3})
10.\:\:\frac{d}{dx}(\frac{x-3}{2x})