Question

1. If a = 5 + 2V6 and b = 1/a then a? + b²

Answer 1

Answer:

Step-by-step explanation:

a=5+2sqrt(6)

b= 1/a

a^2+b^2= a^2+(1/a)^2

=>(a^4+1)/(a^2)

=> ((5+2sqrt(6))^4 +1)/(5+2sqrt(6)^2

hope so you understand the answer