Introduction to the Online Sequences and Series Tutor: In mathematics, an arithmetic sequence is a series of numbers, the differentiation of two consecutive numbers being a constant. An arithmetic series is the sum of a sequence {a_x}, x=1, 2, 3..., in which each term is calculated from the previous one by adding a constant d. Online is one of the main sources used by most students because they can access it whenever they need help. Tutoring is defined as a character working in the education of others, either independently or in a group. Formulas for Inline Sequences and Serial Tutor: Consider that a1 is the leading expression in an arithmetic sequence and the dissimilarity between two consecutive terms is "d". . Then the nth term of this arithmetic sequence can be found using the following formula, [a_n = a_1 + (n-1)d]The calculation of n terms in an arithmetic series with the initial and final terms being a1 and an accordingly, can be found using the formula,...