What Does A Double Bracket Mean In Math

Q. Function of different bracket Define each and every bracket If

What Does A Double Bracket Mean In Math. Web its kind of a bracket but i'm not sure what it means. I have two ideas about it:

Q. Function of different bracket Define each and every bracket If
Q. Function of different bracket Define each and every bracket If

It means the number of times the expression in. I have two ideas about it: Web its kind of a bracket but i'm not sure what it means.

Web its kind of a bracket but i'm not sure what it means. I have two ideas about it: Web its kind of a bracket but i'm not sure what it means. It means the number of times the expression in.