61. Karcas us riepes riches ezrosa rem HOCTeE succeres become the Marror 1. (n^2+1)/(n) 2. (-n)^n 3. (-1)^n 4. (cos2n)/(n) 5. (-(3)/(2))^n

Let's analyze each expression:1. : This expression simplifies to .2. : This expression is equal to if is even and if is odd.3. : This expression is equal to 1 if is even and -1 if is odd.4. : This expression does not have a simple general form and depends on the value of .5. : This expression is equal to .So, the correct answers are:1. 2. if is even, if is odd3. 1 if is even, -1 if is odd4. Depends on the value of 5.