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Plz ans it. I will mark brainliest |
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Answer» Now, a²/bc + b²/ac + c²/ab = (a³ + b³ + c³)/(ABC) = {(a + B + c) (a² + b² + c² - ab - bc - CA) + 3abc}/(abc) = { (0) (a² + b² + c² - ab - bc - ca) + 3abc}/(abc) = (0 + 3abc)/(abc) = (3abc)/(abc) = 3 Identity RULE a³ + b³ + c³ - 3abc = (a + b + c) (a² + b² + c² - ab - bc - ca) # |
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