1.

If (1,2, p), (2, 8, -6) and (alpha^(2)-2alpha,p,1) are ordered triplet pair of the form (x, y, z) which satisfy all the equations (x)/(a)+(y)/(b)+(z)/(c )=1, (x)/(b)+(y)/(c )+(z)/(a)=1 and (x)/(c )+(y)/(a)+(z)/(b)=1, then the sum of all the values of alpha is equal to (where, ab+bc+ca ne0)

Answer»

3
2
0
`-2`

ANSWER :B


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