Question

find the no to be added to the polynomial x²-5x+4 so that 3 is the zero of the polynomial

Answer 1

A/q
Let,
Polynomial(x)=x^2-5x+4
Polynomial(3)=3^2-5*3+4
Polynomial(3)=9-15+4
Polynomial(3)=-2
Therefore 2 is the remainder.