\dotscThe \dotsc command in LaTeX is used to produce ellipsis (three dots) in contexts where it is followed by a comma or similar punctuation. It ensures proper spacing in mathematical expressions, particularly in sequences or series.
Ellipsis in a sequence of terms separated by commas.
a_1, a_2, \dotsc, a_nEllipsis in a series of terms separated by plus signs.
x_1 + x_2 + \dotsc + x_nEllipsis in a sequence of function evaluations.
f(x_1), f(x_2), \dotsc, f(x_n)