Question

answer this please please​

Answer 1

Answer:

k = -20

Step-by-step explanation:

α -β = 9  ...................................(i)

α + β = -b/a = 1  ......................(ii)

add i and ii

2α = 10

α = 5

put value of α in ii

5 + β = 1

5 - 1 = β

4 = β

αβ = c/a

5 x 4 = -k/1

20 = -k

k = -20

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