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How to factorize x^4 +2 + 1/x^4?Please provide me with the procedure?

How to factorize x^4 +2 + 1/x^4?Please provide me with the procedure?

Grade:8

1 Answers

Jake
11 Points
6 years ago
as you know (a+b)2=a2+b2+2ab 
now x4+1/x4+2 can be written as (x2)2+(1/x2)2+2x2×1/x2 which is equal to (x2+1/x2)2
 

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