Question

If x is the factor of p(x) = x2+ x –(k+ 1) ,then find k.

Answer 1

Answer:

consider x=1

putting the value in the equation we get,

p(1)=1^2+1-(k+1)=0

or, 2-(k+1)=0

or, k+1=2

or, k=2-1=1

or, k=1