Simplify the Complex Fraction $$\frac { x ^ { - 8 } + 1 } { x ^ { - 8 } - 1 }$$

question 33

Multiple Choice

Simplify the complex fraction. $$\frac { x ^ { - 8 } + 1 } { x ^ { - 8 } - 1 }$$

• A) \(\frac { 1 - x ^ { 8 } } { 1 + x ^ { 8 } }\)
• B) \(\frac { x ^ { 8 } } { 1 - x ^ { 8 } }\)
• C) \(\frac { 1 + x ^ { 8 } } { x ^ { 8 } }\)
• D) \(\frac { 1 + x ^ { 8 } } { 1 - x ^ { 8 } }\)
• E)none of these

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Definitions:

Aorta

The largest artery in the body, which carries oxygenated blood from the heart to the rest of the body.

Tricuspid Valve

A valve in the heart that lies between the right atrium and the right ventricle, preventing backflow of blood from the ventricle to the atrium.

Trabeculae Carneae

Muscular ridges on the internal surface of the heart's ventricles.

Aortic Semilunar Valve

A valve in the heart located between the left ventricle and the aorta that prevents blood from flowing back into the heart after it has been ejected.