For each arithmetic sequence

MATHEMATICS · Multi-part · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

For each arithmetic sequence, state

u_1

and

d

, find the general term

u_n

, and find the fifteenth term. (a)

19,25,31,37,\ldots

(b)

101,97,93,89,\ldots

(c)

8,9\frac{1}{2},11,12\frac{1}{2},\ldots

(d)

31,36,41,46,\ldots

(e)

5,-3,-11,-19,\ldots

(f)

a,a+d,a+2d,a+3d,\ldots