Question

if x+1/x=4 , find the values of ;
x²+1/x² x4+1/x4

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

=> x + 1/x = 4

=> ( x + 1/x )² = 4²

=> x² + 2 + 1/x² = 16

=> x² + 1/x² = 14

=> (x²+1/x²)² = 14²

=> x^4 + 2 + 1/x^4 = 196

=> x^4 + 1/x^4 = 194