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If alpha and beta are the roots of the ...

If `alpha and beta` are the roots of the equation ` x^(2) + px + q =0,` then what is `alpha ^(2) + beta ^(2)` equal to ?

A

`p^2 -2q`

B

`q^2 -2p`

C

`p^2 +2q`

D

`q^2 -p`

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The correct Answer is:
A
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