Question

5​, -15​, 60​, -300​, 1,800​, -12,600​

Answer 1

in steps

Explanation:

recursive formula:

A(1) = 5

A(n) = A(n-1) x (-n-1)

A(2) = 5 x (-2-1) = - 15

A(3) = - 15 x (-3-1) = 60

A(4) = 60 x (-4-1) = - 300

A(5) = - 300 x (-5-1) = 1800