Question

If a,ß are the roots of x²+x+1=0 then alpha/beta+Beta/alpha​

Answer 1

Correct option is

−1

From the given quadratice equation: α+β=−1 and αbeta=1

β

α

+

α

β

=

αβ

α

2

+β

2

=

αβ

(α+β)

2

−2αβ

=

1

(−1)

2

−2(1)

=1−2=−1

Answer 2

Step-by-step explanation:

refer to the attachment for answer.

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