Question

if x+1 is a factor of the polynomial 2x ​

Answer 1

Answer:

x+1 is a factor of the polynomial 2x^(2)+kx, then the. Solution : Let ` " "p(x)=2x^(2)+kx` <br> Since ,(x+1) is a factor of p(x) then <br> p(-1) =0 <br> `therefore " " 2(-1)^(2)+k(-1)=0` <br> `implies " " 2 -l=0implies k=2` <br> Hence , the value of k is 2.

Step-by-step explanation:

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Answer 2

Answer:

x+1=0

x = -1

p(x): 2x = 0

2×-1 = -2

p(x) is not factor of 2x

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