Question

if a= 3+2 √2, find a+1/a​

Answer 1

Answer:

see the attachment

Step-by-step explanation:

hope it helps

Answer 2

Step-by-step explanation:

a=3+2√2

1/a=1/3+2√2

1/a=3-2√2/9-8

1/a=3-2√2

a+1/a=3+2√2+3-2√2

a+1/a=6