Question

-√20-√20-√......
then what is answer

Answer 1

answer is 4 because in this types of sum we take two factor like
20=4×5
in it 5>4
and according to the rule if sum contains + sign then answer will be greater no. like 5
& if the sum contain - sign then our answer is small value like 4
Hence according to sum our answer will be 4