Question

2m²-7m+6=0 equação do segundo grau

Answer 1

Resposta:

Explicação passo a passo:

a=2

b=-7

c=6

m=7+-V(-7)²-4.2.6/2.2

m=7+-V49-48/4

m=7+-V1/4

m=7+-1/4

m'=7+1/4=8/4=2

m''=7-1/4=6/4=3/2

S={3/2,2}

Answer 2

$\large{\begin{array}{l}\rm2m^2-7m+6=0\\\rm\Delta=(-7)^2-4\cdot2\cdot6\\\rm\Delta=49-48\\\rm\Delta=1\\\\\rm m_1=\dfrac{-(-7)+\sqrt{1}}{4}=2\\\\\rm m_2=\dfrac{-(-7)-\sqrt{1}}{4}=\dfrac{3}{2}\end{array}}$