Question

if (x-2) is a factor of 5x^4-10x^3+2x^2-px+10,find the value of p

Answer 1

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Answer 2

x-2 is a factor of p(given)

•°• let x-2=0, x=2

so let us apply it here

5(2)^4-10(2)^3+2(2)^2-p(2)+10=0

5(16)-10(8)+2(4)-2p+10=0

80-80+8-2p+10=0

18-2p=0

2p=18

p=18÷2

p=9.

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