Find a³ + b³ , if a + b = 3 And ab =2
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1
Answer:
9
Step-by-step explanation:
a³+b³=(a+b)(a²+b²-ab)=(a+b)(a²+b²+2ab-3ab)=3((a+b)²-3ab)=3(9-6)=3*3=9
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0
Answer:
the required answer is 9
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