Write Out the First Five Terms of the Sequence $$a _ { n } = \frac { n ^ { 2 } - 5 } { n ^ { 2 } + 5 }$$

question 366

Multiple Choice

Write out the first five terms of the sequence.
- $$a _ { n } = \frac { n ^ { 2 } - 5 } { n ^ { 2 } + 5 }$$

• A) \(1,1,1,1,1\)
• B) \(- \frac { 2 } { 3 } , - \frac { 1 } { 9 } , \frac { 2 } { 7 } , \frac { 11 } { 21 } , \frac { 2 } { 3 }\)
• C) \(- \frac { 2 } { 3 } , 1 , \frac { 2 } { 7 } , 1 , \frac { 3 } { 2 }\)
• D) \(1 , - \frac { 1 } { 9 } , 1 , \frac { 11 } { 21 } , 1\)

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Definitions:

White Blood Cells (WBCs)

Cells in the blood that are part of the body's immune system, helping to fight off infections and diseases.

Leukocytes

White blood cells that are part of the immune system, involved in protecting the body against both infectious disease and foreign invaders.

Leukocytes

White blood cells that play a key role in the immune system by defending the body against infectious disease and foreign materials.

Agranulocytes

White blood cells, such as lymphocytes and monocytes, that lack granules in their cytoplasm and play a role in the immune system.