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সংশোধিত...................image

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সমাধানটি= x+1/x=4 (x2+1/x2)=4^2-2=14 এবং(x3+1/x3)=4^3-3*4=52 এখন, (x^5)+(1/x^5)=(x2+1/x2)*(x3+1/x3)-(x+1/x) =14*52-4=724

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