Question

Rezolvati in C ecuatia . Va rog dau coroana.
x²-4x+5=0​

Answer 1

Răspuns:

a=1,b=-4,c=5

∆=b²-4*a*c=>(-4)²-4*1*5=16-20=-4

x1=4-2/2=1

x2=4+2/2=3