Question

please help me to solve this ​

Answer 1

put x=2 in above equation and equate it to zero

16-4-2p-2=0

P=5

Answer 2

Given that

X - 2 is the factor of polynomial

So On dividing remainder be Zero.

X - 2=0

X = 2

putting value of X in polynomial

2(2)³ - (2)² - 2p - 2=0

16 - 4 -2 = 2p

10 = 2p

P = 5

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