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If the equations x^(2)+a x+b=0 and x^(2)...

If the equations `x^(2)+a x+b=0` and `x^(2)+b x+a=0(a ne b)` have a common root, then `a+b=`

A

`3:2:1`

B

`1:3:2`

C

`3:1:2`

D

`1:2:3`

Text Solution

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The correct Answer is:
D
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