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If |{:(a, b, aalpha+b),(b,c,balpha+c),(a...

If `|{:(a, b, aalpha+b),(b,c,balpha+c),(aalpha+b,balpha+c," "0):}|=0` then

A

a, b, c, are in A.P.

B

a, b, c are in G.P.

C

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

D

`(x-alpha)` is a of `ax^2+2bx+c=0`

Text Solution

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The correct Answer is:
2,3,4
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