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If a, b, c are in A.P and (b-c) x^(2)+(c...

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

A

1)`a^(2), b^(2), c^(2)` are in `A.P`

B

2)`a^(2), c^(2), b^(2)` are in `A.P`

C

3)`a^(2), c^(2), b^(2)` are in `G.P`

D

4)none of these

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The correct Answer is:
C
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