Question

If 2 is a root of x²- px + 2 = 0, then p =
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Answer 1

Answer:

p=3

Step-by-step explanation:

p(x) = x^2 -Px +2

2 is root so p(2)=0

(2)^2-p(2)+2=0

4-2p+2=0

2p=6

p=6/2=3

Hope this helps you

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