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If alpha and beta are the zeroes of a po...

If `alpha and beta` are the zeroes of a polynomial `x^(2)-3x-4`, then the polynomial whose zeroes are `(alpha+beta) and alpha beta`   is:

A

`x^(2)-x +12`

B

`x^(2) + x- 12`

C

`x^(2) -x-12`

D

`x^(2) + x+ 12`

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