If a/b+b/a=2, then a^3-b^3=
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Step-by-step explanation:
a/b+b/a = 2
a²+b²/ab=2
a²+b²=2ab
a²+b²-2ab=0
(a-b)²=0
a=b
Therefore, a³-b³= a³-a³=0
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