Question

x=5+2√6 then x+1/x=​

Answer 1

Answer:

x=5+26–√

=> x=2+3+22–√3–√

=> x=(2–√)2+(3–√)2+22–√3–√

=> x=(2–√+3–√)2

=> x−−√=2–√+3–√

x−1=5+26–√−1=4+26–√=22–√(2–√+3–√)

∴x−1x−−√=22–√(2–√+3–√)2–√+3–√

=> x−1x−−√=22–√