Question

If a, ß are the roots of x2 – 1 = 0, then α+β=
O.,B ev x2-1=0 aus. + B =
(1) 0
(2) 1
(3) - 1
(4) 2.​

Answer 1

Answer:

the answer could be both option (2) and (3)

Step-by-step explanation:

See x^2-1=0

so, x^2=1,

so, x=(+1) or (-1) {taking square root}

therefore Alpha and Beta would be any (+1) or (-1) ,not specified in the question.

No need to thanks