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Mathematics, 28.05.2021 14:00 henrymototero

If a +b+c = 0 then the value of a²+b²+c²/bc+ca+ab

pls solve and give the explanation​

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If a +b+c = 0 then the value of a²+b²+c²/bc+ca+ab

pls solve and give the explanation​...
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