Question

Simplify: 1 upon 1+√2 + 1 upon √2+√3 + 1 upon √3+√4

Answer 1

Step-by-step explanation:

1/(1+√2)+1/(√2+√3)+1/(√3+√4)

= ( 1-√2) / (-1) +(√2-√3) / (2-3) +(√3-√4) /(3-4)

= √2-1-√2+√3-√3+√4

= -1±2

= 1 or -3

hope this helps you