(2x-1)^2=
pf ?? ajuda_me
Soluções para a tarefa
Respondido por
1
(2x-1)^2
=(2x)^2 + 2(2x)(-1) + (-1)^2
=4x^2-4x+1
Δ=b^2-4.a.c
Δ=(-4)^2-4.4.1
Δ16-16
Δ=0
x=
x=
x=
x'=2
x''=2
=(2x)^2 + 2(2x)(-1) + (-1)^2
=4x^2-4x+1
Δ=b^2-4.a.c
Δ=(-4)^2-4.4.1
Δ16-16
Δ=0
x=
x=
x=
x'=2
x''=2
noisézicamemo:
vlw msm
Perguntas interessantes