How do you use the remainder theorem and Synthetic Division to find the remainders in the following division problems x5+2x43x+3 divided by x - 1?

1 Answer
Feb 19, 2017

The remainder is =3

Explanation:

The remainder theorem states that when a polynomial f(x) is divided by xc

f(x)=(xc)q(x)+r(x)

f(c)=0+r

Here,

f(x)=x5+2x43x+3

and (x1)

f(1)=1+23+3=3

The remainder is =3

We now perform the synthetic division

aaaa1aaaaaaaa1aaaa2aaaa0aaaa0aaaa3aaaa3

aaaa#color(white)(aaaaa)|#aaaaa#color(white)(aaaa)1#aaaa3aaaa3aaaa3aaaaa0

aaaaaaaaaa--------------------------------------------------------------

aaaa#color(white)(aaaaa)#aaaaaa1aaaa3aaaa3aaaa3aaaa0aaaaa3

The remainder is also =3

The quotient is =x4+3x3+3x2+3x