Question

If Tn=2-3n ?which term is -58

Answer 1

`color(purple)(n = 20`

Explanation:

`"Given : " T_n = -58, " To find 'n'"`

`-58 = 2 - 3 n`

`3n = -58 - 2 = -60`

`color(red)(-n = -60 / 3 = -20 " or " color(green)(n = 20`