1.

If (x-1)^(2) is a factor of f (x)=x^(3)+bx+c , then find the remainder when f (x) is divided by (x-2).

Answer»

2
`-3`
4
`-4`

Solution :(i) Coefficient of `X^(2)` is0 , therefore SUM of roots is 0 .
`:.` Third root =-2.
(ii)Apply factro THEOREM.
(iii)To obtain the remainder , USE the remaindertheorem.


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