Ejercicios sección 4.2

Resuelva los ejercicios propuestos por el método adecuado.

  1. 2x(4x−1)\hspace{0.1cm}\cfrac{2}{x(4x-1)}

  2. −5x+18x2+2x−63\hspace{0.1cm}\cfrac{-5x+18}{x^2+2x-63}

  3. 2x2−x(x+1)(x+2)(x+3)\hspace{0.1cm}\cfrac{2x^2-x}{\left(x+1\right)\left(x+2\right)\left(x+3\right)}

  4. 10x−525x2−1\hspace{0.1cm}\cfrac{10x-5}{25x^2-1}

  5. 5x2−25x−28x2(x−7)\hspace{0.1cm}\cfrac{5x^2-25x-28}{x^2 \left(x-7\right)}
  1. −4x+6(x−2)2(x−1)2\hspace{0.1cm}\cfrac{-4x+6}{\left(x-2\right)^2 \left(x-1\right)^2}

  2. 3x−1x3(x−1)(x+3)\hspace{0.1cm}\cfrac{3x-1}{x^3 \left(x-1\right)\left(x+3\right)}

  3. 6x2−7x+11(x−1)(x2+9)\hspace{0.1cm}\cfrac{6x^2-7x+11}{\left(x-1\right)\left(x^2+9\right)}

  4. 5x3−3x2+7x−3(x2+1)2\hspace{0.1cm}\cfrac{5x^3-3x^2+7x-3}{\left(x^2+1\right)^2}

  5. 4x2−5x−15x3−4x2−5x\hspace{0.1cm}\cfrac{4x^2-5x-15}{x^3-4x^2-5x}