Question

The first term of an ap is 6 and it's common difference is -2 find it's 18th term

Answer 1

Answer:

a1=6, d=-2, n=18

an = a+(n-1) d

a18= 6+(18-1) ×-2

a18= 6+ 17 ×-2

a18= 6 -34

a18= 28