• Matéria: Matemática
  • Autor: julianporfirio16
  • Perguntado 3 anos atrás

a forma mais simples da expressão numérica (x+1/ x-2 + x-3/x+2): ( 2x² - 2x + 8/x-2)

a) 1/x+3
b) 1/x+2
c) 1/x+1
d) 1/x-1
e) 1/x-2

URGENTE!!!!

Respostas

respondido por: Anônimo
1

Resposta:

\frac{\frac{x+1}{x-2}+\frac{x-3}{x+2}}{\frac{2x^2-2x+8}{x-2}}\\\\\frac{\left(\frac{x+1}{x-2}+\frac{x-3}{x+2}\right)\left(x-2\right)}{2x^2-2x+8}\\\\\frac{\frac{2x^2-2x+8}{\left(x-2\right)\left(x+2\right)}\left(x-2\right)}{2x^2-2x+8}\\\\\frac{\frac{2x^2-2x+8}{x+2}}{2x^2-2x+8}\\\\\frac{2x^2-2x+8}{\left(x+2\right)\left(2x^2-2x+8\right)}\\\\\frac{1}{x+2}\\\\Letra \ b) \frac{1}{x+2}

Qualquer duvida me chame!!!

Perguntas similares