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Let a, b, c be sides of a triangle ABC a...

Let a, b, c be sides of a triangle ABC and `Delta` denotes its area .
If `a=2, Delta=sqrt(3) and a cosC+sqrt(3) a sinC-b-c=0`, then find the value of `(b+c)`.
(symbols used have usual meaning in `DeltaABC`).

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