Question

If (x-1) is a factor of p(x)=x^2+x+k,then value of k is=(1)3. (2)2. (3)2. (4)1.​

Answer 1

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Answer 2

Answer:

for (x-1)=0

x=1

p(x)=x^2+x+k

p(1)=(1)^2+1+k

=1+1+k=0

=2+k=0

=k=-2

so the answer is -2

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