Question

descubra  quantas raizes reais cada equaçao possui sem determinar as raizes 3x²-4x+1=0

Answer 1

a.
3x² - 4x + 1 = 0
∆=16-12
∆=4
√∆=2
x',x''=4+0u-2/6
x'=4+2/6=1
x''=4-2/6=1/3
duas raizes reais