If a + b =1 and AB =o then find a3+ b3
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Step-by-step explanation:
As a + b= 1
Taking cube on both sides,
(a + b)³ = 1³
a³ + b³ + 3ab( a + b) = 1
a³ + b³ + 3 ×0 ×1 = 1
a³ + b³ = 1
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