Question

the number of terms in the AP :3,8,18...83are:​

Answer 1

Answer:

17 terms

Step-by-step explanation:

Tn = a+(n-1)d

83=3+(n-1)5

80=5n-5

85=5n

n=85/5=17

Answer 2

Answer:

n=17

Step-by-step explanation:

actually ths give AP will be

3,8,13,18...83

Given

a=3

d=8-3

d =5

An=83

An as we know

An=a+(n-1)d

83=3+(n-1)5

83-3=(n-1)5

80=(n-1)5

80/5=(n-1)

16=(n-1)

16+1=n

17=n

HOPE THIS IS HELPFUL......