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