Question

as raizes da equação 6x2 - 5x + 1=0 são 1/2 e 1/3

Answer 1

delta=b^2-4 *a*c
delta=(-5)^2-4*6*1
delta=25-24
delta=1

x= -(-5)+- raiz de 1/2*a
x'=5+1/12
x'=6/12
x'=1/2

x"=5-1/12
x"=4/12
x"=1/3