Răspunsuri

2014-11-16T18:55:10+02:00
A=4 inseamnca ca inlocuim in relatia (a-1)(a-b)(a-3) vom avea
(4-1)(4-b)(4-3)=
3(4-b)x1=
12-3b=0
-3b=-12   (-1)
b=12/3=4
(4-1)(4-4)(4-3)=
3x0x1=0
(4-1)(4-b)(4-3)===
3(4-b)x1
12-b=0 b=12 (4-1)(4+12)(4-3)
3x16x1=48
mersi
2014-11-16T18:55:47+02:00