Question

using remainder theorem find the remainder x^3 -2x^2 -4x + 3 is divided by x+1​

Answer 1

Answer:

(x−1)

x

3

−3x

2

+x+1

=

(x−1)

x

3

−x

2

−2x

2

+x+1

=

(x−1)

x

2

(x−1)−2x

2

+x+1

=x

2

−

(x−1)

2x

2

−x−1

=x

2

−

(x−1)

2x

2

−2x+2x−x−1

=x

2

−

(x−1)

2x(x−1)+x−1

=x

2

−2x+1

x

3

−3x

2

+x+1=(x−1)(x

2

−2x−1)

∴ Remainder is

′

0