Question

Formulate the recursive formula for the following geometric sequence. {-16, 4, -1,...}

Answer 1

Common ratio = 2nd term/1st term = 4/-16 = -1/4

Explanation:

Answer 2

Explanation:

Common ratio = 2nd term/1st term = 4/-16 = -1/4

`a_(n)=a_(n-1)*r\\a_(n)=a_(n-1)*(-1)/(4)\\\\a_(n)=(-1)/(4)a_(n-1)`