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If 2x^(3)-5x^(2)+x+2=(x-2)(ax^(2)-bx-1),...

If `2x^(3)-5x^(2)+x+2=(x-2)(ax^(2)-bx-1),` then a & b are respectively :

A

`2,1`

B

`2,-1`

C

`1,2`

D

`-1,1//2`

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RESONANCE ENGLISH-DPP-QUESTION
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