Question

if
$\alpha and \: \beta$
are the zeros of the quadratic polynomial f(x) = x2-x-4
find the value of ​

Answer 1

Answer:

4

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

​

Step-by-step explanation:

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Answer 2

Answer:

ttuwt nxchddevxegejfrk