Question

Write an arithmetic sequence with common difference 6 find its 15 th term

Answer 1

1,7,13,19,25,31....

a(n)=a+(n+1)d

a(n)=1+(15+1)6

a(n)=1+16×6

a(n)=1+96

a(n)=97

so the 15th term of the series is 197

hope it helps