Question

let f(x) be a polynomial such that f(1) = 0 , then a factor of f(x) is a.(x+1) b.(x-1) c.(2x+1) d.(2x-1)

Answer 1

Answer:

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Answer 2

Answer:

a)x=-1

f(-1)= -1+1 =0

b)x=1

f(1)=1+1 =2

c)x= -1/2

f(-1/2)= 2(-1/2)+1 = -1+1 =0

d)x= 1/2

f(1/2)= 2(1/2)-1 = 1-1 =0.

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