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If the equations ax^2 + bx + c = 0 and x...

If the equations `ax^2 + bx + c = 0 and x^2 + x + 1= 0` has one common root then `a : b : c` is equal to

A

`1:1:1`

B

`1:2:3`

C

`2:3:1`

D

` 3: 2: 1`

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The correct Answer is:
A
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