Question

if alpha and beta are roots of equation x^2-x-4 then the value of 1/alpha +1/beta - alpha×beta​

Answer 1

Answer:

ANSWER

f(x)=x

2

−x−4

α+β=1

αβ=−4

→

α

1

+

β

1

−αβ

=

αβ

α+β

−αβ

=

−4

1

−(−4)

=

4

−1

+4

=

4

15

Answered By

toppr