Question

what is remember when x cube - 2x sq. + x+ 1​

Answer 1

Answer

Let p(x) =x³-2x²+x+1

By remainder theorem:

If p(x) divided by (x-1) then the remainder is p(1)

p(1)= 1³-2(1)²+1+1

=1-2+1+1

= 3-2

=1

Thanks