Răspunsuri

2014-02-12T15:21:59+02:00
(3√5)^2 = 9*5 = 45
(x²+x+1)²-(x²+1)(x²-1)-9(x+3)(x-3)
(46+
3√5)^2-(x^4-1)-(x^2-9)
46^2 + 2*25*26+26-45^2-145+9
1281