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Select the correct options from the give...

Select the correct options from the given alternatives.The determinant `D=|(a,b,a+b),(b,c,b+c),(a+b,b+c,0)|=0`.If

A

a,b,c are in A.P

B

a,b,c are in G.P

C

a,b,c are in H.P

D

`alpha` is root of `ax^2+2bx+c=0`

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