ifa + b = 8and \: ab = 6find \: the \: value \: of \: a {}^{3} + b {}^{3}ifa+b=8andab=6findthevalueofa3+b3
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368
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Given, a+b = 8, ab =6
Therefore, a²+b² = 52 (Using appropriate formula)
Therefore, a³+b³ = (a+b) (a²-ab+b²) = 8 (52-6) = 8×46 = 368 (Ans.)
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