Question

is -1+√9 is the correct answer? Please tell me. What does that dots mean?​

Answer 1

Correct Answer: -1+√9

Step-by-step explanation:Just rationalise each of the terms.

It will give us the same terms with a negative sign instead of positive like √2-1, √3-√2 and so on

Simplify these terms and at last only -1+√9 will be left out and this is our answer.

The dots represent a series. Like 1,2,3,4,5..........71,72,73

In this question the whole series is:- (plz find it in attachment)