Find a Formula for the Nth Term of the Sequence $a _ { n } = 1 + ( - 1 ) ^ { n ( n + 1 ) / 2 }$

question 468

Multiple Choice

Find a formula for the nth term of the sequence.
-0, 2, 2, 2, 0, 2, 2, 2 (0, 2, 2, 2 repeated)

• A) \(a _ { n } = 1 + ( - 1 ) ^ { n ( n + 1 ) / 2 }\)
• B) \(a _ { n } = 1 + ( - 1 ) ^ {{ n } ( n - 1 ) / 2}\)
• C) \(a _ { n } = 1 + ( - 1 ) ^ {{ n } ( n + 1 ) ( n + 2 ) / 6}\)
• D) \(a _ { n } = 1 + ( - 1 ) ^ { ( n + 1 ) ( n + 2 ) / 2 }\)

Understand the concepts and significance of project management tools including CPM/PERT and Gantt charts.

Comprehend management by exception and its role in efficient managerial control.

Recognize the importance and methods of financial analysis and control.

Differentiate between various types of managerial control systems and their applications.

---

Definitions:

Extravert

An individual characterized by an outgoing, energetic, and sociable disposition.

External Locus

A belief that one's successes or failures result from external factors beyond their control.

Social-Cognitive

Relating to a theory which emphasizes the role of observational learning, social experience, and reciprocal determinism in the development of personality.

Humanistic

An approach in psychology that emphasizes empathy and stresses the good in human behavior.