9+4 radical number (2)

=9+2√8

=(√8+ 1)^2

Root number (root number 17+6 (root number 4 (root number 9+4 (2)))

= root number (17+6 root number (4-(√8+ 1)))

=√[ 17+6√(3-√8)]

=√[ 17+6√(3-2√2)]

=√[ 17+6√(√2- 1)^2]

=√[ 17+6(√2- 1)]

=√( 1 1+6√2)

=√[3^2+2*3*√2+(√2)^2]

=√(3+√2)^2

=3+√2