Question

please answer fastly​

Answer 1

Answer:

5

Step-by-step explanation:

(x-1/x)² = (1/2)²

(x²-2+1/x²) = 1/4

x²+1/x² = 5/4

4x²+4/x² = 4(x²+1/x²)

= 4(5/4) = 5