Question

Using remainder theorem, find the remainder when 2x³-4x²+2x-5 is divided by x-3.



guys pls ​

Answer 1

Step-by-step explanation:

Given

f(x)=2x

3

−3x

2

+4x+7

Consider 2x+1=0⇒2x=−1⇒x=−

2

1

By remainder theorem, When f(x) is divided by (2x+1)

Remainder r=f(−

2

1

)

=2(−

2

1

)

3

−3(−

2

1

)

2

+4(−

2

1

)+7

=2(−

8

1

)−3(

4

1

)+4(−

2

1

)+7

=−

4

1

−

4

3

−2+7

=−1−2+7

=4

Answer 2

Step-by-step explanation:

hope this helps u

:)

remainder=19