Question

the quadratic polynomial (p)x x^2-x+4 find the alpha + beta​

Answer 1

Answer:

15

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