Question

simplify 1 upon under root 4 + under root 5 + 1 upon under root 5 + under root 6 + root 6 + under root 7 + 1 upon root 7 + under root 8 + 1 upon under root 8 + under root 9

Answer 1

Answer:

$(25$

ghhvbn

Answer 2

,.....

it's easy :

first take two terms by making pairs and solve

......

again again