contestada

Find the 18th term of the arithmetic sequence whose common difference is d = 2 and whose first term is a, =5.

Respuesta :

Answer:

a=5

d=2

then t18=?

now we khow that

t18=a+(n-1)d

= 5+(18-1)2

= 5+17×2

=5+34

=39ans

Otras preguntas