Multiple ChoiceWrite the first 4 terms of the sequence an=n2⋅(n−1)!a_{n}=n^2\cdot\left(n-1\right)! 101views
Textbook QuestionIn Exercises 19–22, the general term of a sequence is given and involves a factorial. Write the first four terms of each sequence. a_n=−2(n−1)!18views