1.

If a,b,c are in A.P. and if the equations(b - c) x^(2) + (c - a) x + (a - b) = 0"" (1)and 2(c +a) x^(2) + (b+ c) x = 0"" (2) have a common root, then

Answer»

`a^(2), B^(2), C^(2)` are in A.P.
`a^(2), c^(2), b^(2)` are in A.P.
`c^(2), a^(2), b^(2)` are in A.P.
none of these

Answer :B


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