Question

If = 3 + 2√2 , find the value of (
² + 1/x²)²​

Answer 1

Answer:

=>1/x=(3–2√2)/1. =>1/x=3–2√2. =>x+1/x=3+2 √2+3–2√2. =>x+1/x=6. =>x²+1/x²=(x+1/x)² -2. x.1/x. =>x²+1/x² =(6)²-2. =>x²+1/x²=36–2.