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

If `|(a,b,aalpha+b),(b,c,balpha+c),(a alpha+b,b alpha+c,0)|=0` then

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

one of these

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The correct Answer is:
B
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FIITJEE-MATHEMATICS TIPS-ASSIGNMENT (SECTION (I) : MCQ (SINGLE CORRECT)
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