The initial term of an arithmetic progression is and difference . Find
Arithmetic progression is given by formula . Find
Find the difference of an arithmetic series if
Find the initial term of an arithmetic series , if and the common difference
Find the formula of the nth term of an arithmetic series
: (-3 is the initial term).
Find the second term of the arithmetic sequence if first and third ones are and respectively.
What is the sum of the first six terms of an arithmetic sequence if
Find the sum of the first terms if an arithmetic sequence if and difference
Find the sum of the first twenty terms of an arithmetic series
: (-4 is the initial term).
The arithmetic series is given by formula of the nth term . Find the sum of the first eighteen terms.