Question

x=3+2√2 find (x+1/x)^2​

Answer 1

Answer:

34

Step-by-step explanation:

given x=3+2√2

1 = 1

x 3+2√2

1 × 3-2√2

3+2√2 3-2√2

3-2√2 = 3-2√2 = 3-2√2

9-4×2 9-8

x+1 = 3+2√2+3-2√2= 6

x

(x+1)² = (6)²

x

x2+1 +2(x)(1/x)= 36

x²

x²+1/x2= 36-2

= 34