Question

using remainder theorem find the value of K, 2x^3-x^2-kx+10 by x+2 the remainder is 6

Answer 1

p(x)=2x^3-X^2-kx+10
g(x)=x+2
q(x)=2x^2-5x+(10-k)
r(x)=-10-2k
   6=-10-2k
     =-2k=6+10
     =k=16\-2
     =-8