Question

The n term of the A.P.3,8,13,18,....is 148. find n.
Please answer..

Answer 1

heya!!!!

your answrr

thankss

Answer 2

a = 3

d = 8 - 3 = 5

 

nth term = 148

dn + (a - d) = 148

5n + (3 - 5) = 148

5n + (-2) = 148

5n - 2 = 148

5n = 148 + 2

5n = 150

n = 150 / 5

n = 30

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