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If it(xrarr3)(ax^2-beta)/(x-3)=12,then...

If `it_(xrarr3)(ax^2-beta)/(x-3)=12`,then

A

a)`alpha=3`,`beta=9`

B

b)`alpha=2`,`beta=18`

C

c)`alpha=2`,`beta=1`

D

d)`alpha=2`,`beta=2`

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