Question

1/√100+√99+1/√99+√98+1/√98+97...1/√3+√2+1/√2+√1=9

Answer 1

Answer:

from above image,

sqrt(2) - sqrt(1) + sqrt(3) -sqrt(2) + ...+ sqrt(100) -sqrt(99)

= -sqrt(1) + sqrt(100)

= -1 + 10

= 9