DeterminantHard

Question

Suppose a1, a2, a3 are in A.P. and b1, b2, b3 are in H.P. and let
ᐃ = , then

Options

A.ᐃ is independent of a1, a2, a3,
B.a1 - ᐃ, a2 - 2ᐃ, a3 - 3ᐃ are in A.P.
C.b1 + ᐃ, b2 + ᐃ2, b3 + ᐃ are in H.P.
D.ᐃ is independent of b1, b2, b3

Solution


R2 → R2 - R1  &  R3 → R3 - R2
= = 0

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