If alpha and beta, alpha and gamma, alph...

If `alpha and beta, alpha and gamma, alpha and deta` are the roots of the equation `ax^(2) +2bx+c= 0, 2bx^(2) +cx + a= 0 and cx^(2) + ax+2b=0` respectively where a, b, c are positive real numbers, tehn `alpha + alpha^(2)` is equal to

A

`-1`

B

1

C

0

D

abc

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The correct Answer is:

A

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