\lesseqqgtrThe \lesseqqgtr symbol is used in mathematical expressions to denote a relationship where one quantity is less than, equal to, or greater than another quantity. It is a composite relation that encompasses three possible comparisons between two values.
Indicates that x is less than, equal to, or greater than y.
x \lesseqqgtr yUsed to compare the squares of two numbers, a and b.
a^2 \lesseqqgtr b^2Expresses that x can be any real number, as it can be less than, equal to, or greater than zero.
\text{If } x \lesseqqgtr 0, \text{ then } x \in \mathbb{R}