Write the Partial Fraction Decomposition of the Rational Expression $\frac { x + 1 } { x ^ { 2 } - 2 x - 8 }$

question 147

Multiple Choice

Write the partial fraction decomposition of the rational expression.Check your result algebraically. $\frac { x + 1 } { x ^ { 2 } - 2 x - 8 }$

• A) \(\frac { 1 } { 6 } \left( \frac { 2 } { x - 4 } - \frac { 4 } { x + 2 } \right)\)
• B) \(\frac { 1 } { 2 } \left( \frac { 5 } { x - 4 } - \frac { 1 } { x + 2 } \right)\)
• C) \(\frac { 1 } { 6 } \left( \frac { 5 } { x - 4 } - \frac { 1 } { x + 2 } \right)\)
• D) \(\frac { 1 } { 4 } \left( \frac { 5 } { x - 4 } - \frac { 1 } { x + 2 } \right)\)
• E) \(\frac { 1 } { 6 } \left( \frac { 5 } { x - 4 } + \frac { 1 } { x + 2 } \right)\)

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