1.

If `x+1` is a factor of the polynomial `2x^(2)+kx,` then the value of `k` isA. `-3`B. 4C. 2D. `-2`

Answer» Correct Answer - C
Let ` " "p(x)=2x^(2)+kx`
Since ,(x+1) is a factor of p(x) then
p(-1) =0
`therefore " " 2(-1)^(2)+k(-1)=0`
`implies " " 2 -l=0implies k=2`
Hence , the value of k is 2.


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