Question

If a=9+4√5,find the value of √a-1/√a​

Answer 1

Answer:

a = 9 + 4√5

a ≈ 17,94427

√a-1/√a

√17,94427-1/√17,94427

√17,94427-1/√1794427/100000

√17,94427-1/√1794427/√100000

√(17,94427-1)×100000/√1794427

√16,94427×100000/√1794427

√1694427/100000 ×100000/√1794427

√1694427/√1794427