(x^3 %2B 1/(x^3))*(x^4 %2B 1/(x^4)) – InterviewSolution

1.	(x^3 %2B 1/(x^3))*(x^4 %2B 1/(x^4))
Answer» X cube and X to the four will be cancelled and they will become 1and 1+1= 22×2=4 henceforth the answer will be 4

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