Question

1)sa se rezolve ecuațiile x la a doua -x+1=0

Answer 1

x²-x+1 = 0

a = 1, b = -1, c = 1

Delta = b²-4ac = 1-4*1*1 = 1-4 = -3 < 0

Cum delta < 0 => ecuatia nu are solutii in lR