Question

If x2 +1/x2 =38 find x4+1/x4

Answer 1

Answer:

1442

Explanation:

Given. - x²+1/x² = 38

(x²+1/x²)² = x⁴+1/x⁴+2×x²×1/x²

(38)² = x⁴+1/x⁴+2

1444-2 = x⁴ +1/x⁴

1442 = x⁴+1/x⁴

Answer 2

Answer:

this is the correct answer