Question

What value of b will the polynomial p(x) have the same remainder when it is divided by x-2 and x+1 ?

Answer 1

\[P(x)= -2x^3+bx^2-5x+2\]

Answer 2

Do u know remainder theorem

Answer 3

yes but i don know how to apply it here

Answer 4

dont*

Answer 5

Ok.... If polynomial P(x) is divided by (x-a) then the remainder is P(a)

Answer 6

right?

Answer 7

what would the variable a be, im confused ?

Answer 8

a can be any number

Answer 9

So, In the above question
P(2) = P(-1)

Answer 10

got it?

Answer 11

ohhh, yes okay

Answer 12

Great