Question

if x-1/x=2, find x4 + 1/x4​

Answer 1

Answer:

4

Step-by-step explanation:

(x-1/x)²=(2)²

x²+1/x²+2=4

x²+1/x²=4-2

x²+1/x²=2

(x²+1/x²)²=(2)²

x⁴+1/x⁴=4

Hope it helps you!