a/b+b/a=0 then find the value of a3+b3
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- a/b+b/a=1 , multiply both side by ab
- a^2+b^2=ab
- a^2+b^2-ab=0………….(1)
- a^3+b^3=(a+b)(a^2+b^2-ab) ,put a^2+b^2-ab=0 from eq.(1)
- a^3+b^3=(a+b)(0) = 0 ,
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