The polynomial x^3+ px^2-x-2 has x-1 as a factor. what is the value of p?

1 answer:

5 0

Comparing x-1 with x-a then x=1
1^3+p*1^2-1-2=0
1+2p-3=0
2p=3-1
P=2/2
P=1
:.p=1

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