Question

the polynomial p(x)= kx^3 +4x^2+3x-4 and q(x) = x^3 -4x+k leaves remainder when divided by x-3 find k

Answer 1

this is the answer of this que

Answer 2

put x=3 then
p(x)=27k+36+9-4
      =27k+41
q(x)=27-12+k
       =k+15
as the leave the same remainder
=>27k+41=k+15
=>26k=-26
=>k=-1