Question

How do you find the term n=14, given the arithmetic sequence `a_1=3` and d=7?

Answer 1

`a_(14)=94`

Explanation:

For a standard arithmetic sequence.

`a,a+d,a+2d,a+3d,........,a+(n-1)d`

`"where " a=a_1,"common difference " =d" and "`

`" the nth term is " a+(n-1)d`

Here `a_1=3,d=7" and " n=14`

`rArra_(14)=3+(13xx7)=94`