Question

Scrieti expresia sub formã de fractie algebrica ireductibila. Determinati DVA a fractiei algebrice obtinute.

Answer 1

Răspuns:

Explicație pas cu pas:

a) E(x) = (2x +3x -1)/(3x -1)*((3x -1)^2)/((5x-1)(5x+1)) =

=(5x-1)/((5x-1)(5x+1))  = 1/(5x-1)

b) 5x-1 ≠ 0 , x ≠ 1/5,  x in R\{1/5}