Question

x²-5x+6=0
resolva utilizando-se bhaskara​

Answer 1

Resposta:

S={3,2}

Explicação passo-a-passo:

x2−5x+6=0

a=1

b=−5

c=6

x=−(−5)±(−5)2−4×(1)×(6)−−−−−−−−−−−−−−−−−−√2×(1)

x=5±25−(24)−−−−−−−−√2⇔

x=5±1–√2⇔

x=5+12∨x=5−12⇔

x=62∨x=42

S={3,2}