How do you find the term n=14, given the arithmetic sequence #a_1=3# and d=7?
1 Answer
Dec 9, 2016
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#
