Question

sa se rezolve in R ecuatia(x+1/x+2)+(x+2/x+3)=7/6

Answer 1

$\frac{x+1}{x+2} + \frac{x+2}{x+3} = \frac{7}{6}$.

amplificam, prima fractie cu 6(x+3), a doua cu 6(x+2), dupa egal cu (x+2)(x+3).

=> 6(x+1)(x+3) + 6(x+2)(x+2) = 7(x+2)(x+3)
     6($x^{2}$+4x+3) + 6($x^{2}$+4x+4) = 7(