Practice problem
Find the explicit formula for the nthn^{\text{th}}nth term of the following sequence: −1,0,1,2,3,4,5,…-1, 0, 1, 2, 3, 4, 5,\dots−1,0,1,2,3,4,5,…
−n-n−n
n−2n-2n−2
n+2n+2n+2
n2−2n^2-2n2−2
Type a concept, like “slope” or “photosynthesis”.
