Răspunsuri

2013-12-13T17:08:08+02:00
 \frac{4}{2x+1}
C.E. 2x+1este diferit de 0

=> x[/tex] apartine divizorilor lui 4 = {1, 2, 4}

2x+1=1
2x=0
x=0

2x+1=2
2x=1
x= \frac{1}{2}

2x+1=4
2x=3
x= \frac{3}{2}

=> x= {0,  \frac{1}{2}  \frac{3}{2} }