( )
Parentheses are used as delimiters to group expressions and clarify the order of operations in mathematical expressions.
Grouping to indicate that a and b should be added before multiplying by c.
(a + b) \times c
Using parentheses to group terms in an integral.
\int_{0}^{1} (x^2 + 1) \, dx
Defining a function with a polynomial expression inside parentheses.
f(x) = (x^2 + 2x + 1)