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Write the Partial Fraction Decomposition of the Rational Expression x2x421x2100\frac { x ^ { 2 } } { x ^ { 4 } - 21 x ^ { 2 } - 100 }

Question 34

Multiple Choice

Write the partial fraction decomposition of the rational expression. x2x421x2100\frac { x ^ { 2 } } { x ^ { 4 } - 21 x ^ { 2 } - 100 }


A) 129(4x2+4+52(x5) 52(x+5) ) \frac { 1 } { 29 } \left( \frac { 4 } { x ^ { 2 } + 4 } + \frac { 5 } { 2 ( x - 5 ) } - \frac { 5 } { 2 ( x + 5 ) } \right)
B) 1x212x220\frac { 1 } { x ^ { 2 } } - \frac { 1 } { 2 } - \frac { x ^ { 2 } } { 20 }
C) 129(4x2+4+5(x+4) 2(x5) +52(x5) ) \frac { 1 } { 29 } \left( \frac { 4 } { x ^ { 2 } + 4 } + \frac { 5 ( x + 4 ) } { 2 ( x - 5 ) } + \frac { 5 } { 2 ( x - 5 ) } \right)
D) 129(4x2+452(x5) +52(x+5) ) \frac { 1 } { 29 } \left( \frac { 4 } { x ^ { 2 } + 4 } - \frac { 5 } { 2 ( x - 5 ) } + \frac { 5 } { 2 ( x + 5 ) } \right)
E) 129(1x2+4+12(x5) 12(x+5) ) \frac { 1 } { 29 } \left( \frac { 1 } { x ^ { 2 } + 4 } + \frac { 1 } { 2 ( x - 5 ) } - \frac { 1 } { 2 ( x + 5 ) } \right)

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