Question

If a and ß are zeroes of the polynomial f(x)
= x2 - x - k such that a - B = 9, find k.​

Answer 1

Answer:

k =20

hope it helps you

Step-by-step explanation:

f(x)=x ^2−x−k=0

α+β=1 αβ=−k

α−β=9 αβ=−k

α=5 5(−4)=−k

β=−4 k=20

∴k=20

Answer 2

Answer:

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