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Write the Form of the Partial Fraction Decomposition of the Rational

Question 3

Multiple Choice

Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ x4x(x2+7) 2\frac { x - 4 } { x \left( x ^ { 2 } + 7 \right) ^ { 2 } }


A) Ax+Bx2+7+C(x2+7x4) 2\frac { A } { x } + \frac { B } { x ^ { 2 } + 7 } + \frac { C } { \left( x ^ { 2 } + 7 x ^ { 4 } \right) ^ { 2 } }
B) Ax+Bx+Cx2+7+Dx+E(x+7) 2\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 7 } + \frac { D x + E } { ( x + 7 ) ^ { 2 } }
C) AxBx+C(x2+7) 2Dx+Ex(x2+7) 2\frac { A } { x } - \frac { B x + C } { \left( x ^ { 2 } + 7 \right) ^ { 2 } } - \frac { D x + E } { x \left( x ^ { 2 } + 7 \right) ^ { 2 } }
D) Ax+Bx+Cx2+7+Dx+E(x2+7) 2\frac { A } { x } + \frac { B x + C } { x ^ { 2 } + 7 } + \frac { D x + E } { \left( x ^ { 2 } + 7 \right) ^ { 2 } }
E) Ax4+Bx+Cx2+7+Dx+E(x2+7) 2\frac { A } { x - 4 } + \frac { B x + C } { x ^ { 2 } + 7 } + \frac { D x + E } { \left( x ^ { 2 } + 7 \right) ^ { 2 } }

Correct Answer:

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