Question

If a and b are tha zeroes or the polynomials F (x) =x2 -4x-5 then find the value of a2 + b2

Answer 1

Answer:

p(x)=x

2

−8x+k

a=1,b=−8,c=k

α+β=

a

−b

=8, αβ=

a

c

=k, α

2

+β

2

=40

α

2

+β

2

=(α+β)

2

−2αβ

40=8

2

−2k

2k=24

k=12

Step-by-step explanation:

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