contestada

Which gives all the solutions of the equation x2 - 2x + 1 = 02
O A. 1 only
OB. -1 and 1
O C. O and 1
D. - 1 only
O E
I and 2

Which gives all the solutions of the equation x2 2x 1 02 O A 1 only OB 1 and 1 O C O and 1 D 1 only O E I and 2 class=