Question

write an arthemetic sequence with first term 6 and common difference 5 find its 21st term? pls answer​

Answer 1

a1=6, d=5

find 21st term

so here n=21

an =a+(n-1)d

a21= 6+(21-1)×5

a21= 6+20×5

a21=6+100

a21=106

21st term is 106

I hope it helps you