Question

Find the 50th term of this arithmetic sequence
6, 13, 20, 27 ...​

Answer 1

formula as mentioned above...

Explanation:

N=50,a=6,d=difference between no. that is 8

so,

x50=6+8(50-1)

x50=6+8(49)

x50=6+392=398 Answer

hope it helps....

please write 50 on the correct position of N as drawn in picture

Answer 2

349

Explanation:

`a_(n) = a_(1) + (n - 1)d`

n = 50
`a_(1)` = 6 d = 13 - 6 = 7

`a_(50)` = 6 + (50 - 1)(7)

= 6 + 49(7)

= 6 + 343

= 349