When an unknown polynomial is dividied b...

When an unknown polynomial is dividied by `(x-1) and " by " (x-2)` we obtain the remainder 2 and 1, respectively. Then the remainder resulting from the division of this polynomial by `(x-1) (x-2)` is

A

`3-x`

B

`2x-3`

C

`2+3x`

D

`x-2`

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The correct Answer is:

A

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