Question

a=5 +2 root 6 a^2+1/a^2 a^3 +1/a^3
​

Answer 1

Answer:

a=5+2√6

b=1/a=1/5+2√6

b=1/5+2√6

b=5-2√6/5^2-(2√6^2)=5-2√6/25-24=5-2√6