Question

Find the 67th term of the arithmetic sequence -17, -23, -29

Answer 1

Answer:

$a = - 17 \: \: d = - 6$

$un = a + (n - 1)d$

$un = - 17 + (67 - 1) - 6$

$= - 17 + 66 \times - 6$

$= - 17 - 396$

$= - 413$