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If `alpha" and "beta, alpha" and "gamma" and "alpha" and "delta` are the roots of the equations `ax^(2)+2bx+c=0, 2bx^(2)+cx+a=0" and "cx^(2)+ax+2b=0` respectively, where a,b and c are positive real numbers, then `alpha+alpha^(2)=`

A

`-1`

B

`0`

C

`1`

D

`abc`

Text Solution

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The correct Answer is:
A
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