Question

Find the next two terms in the geometric sequence: 3, -9, 27,

Answer 1

- 81, 243

Explanation:

to obtain a term in a geometric sequence, multiply the previous term by the common ratio r

here r =
`(a_(2) )/(a_(1) )` =
`(-9)/(3)` = - 3

then

27 × - 3 = - 81

- 81 × - 3 = 243

the next two terms are - 81 and 243