Question

If both roots of the equations
${x}^{2} - {3x}^{2} + 2 = 0$
and
$a {x}^{2} + bx + 1 = 0$
have common root then:
a+b+1=0
a+b=1
a-b+1=0
a-b-1=0​

Answer 1

Answer:

I don't know confirm but

2) a+b = 1

I think soo