SubArea: Introduction to sequencesLevel: AProject ID: 1003084904Accepted: 1Clonable: 0Easy: 1We were given a sequence (1n)n=1∞. Which expression describes the term an−1 (n∈N;n>1) of the given sequence?an−1=1n−1an−1=n−1an−1=1nan−1=12n−1