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A root of equation ax^2+ bx+c=0 (where a...

A root of equation `ax^2+ bx+c=0` (where a, b and c are rational numbers) is `5 +3 sqrt3` . What is the value of `(a^2 + b^2 + c^2)//(a+ b + c)`?

A

`35//3`

B

`37//3`

C

`-105//11`

D

`-105//13`

Text Solution

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The correct Answer is:
C
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