Algebra

Partial Fractions

Partial Fractions - Cover Up Rule

         

By the coverup rule, the coefficient of the term 1x+6 \frac{1}{ x + 6 } in the partial fraction decomposition of

1(x+6)(x+19), \frac{ 1} { ( x + 6 ) ( x + 19 ) },

has the form 1A \frac{1}{A} . What is AA?

By the coverup rule, the coefficient of the term 1x+2 \frac{1}{ x + 2 } in the partial fraction decomposition of

1(x2)(x+2)(x+7), \frac{ 1} { ( x - 2 ) ( x + 2 ) ( x + 7 ) },

has the form 1A \frac{1}{A} . What is AA?

By the coverup rule, the coefficient of the term 1x+4 \frac{1}{ x + 4 } in the partial fraction decomposition of

1(x+4)(x2+5x+20), \frac{ 1} { ( x + 4 ) ( x^2 + 5 x + 20 ) },

has the form 1A \frac{1}{A} . What is AA?

By the coverup rule, the coefficient of the term 1x+2 \frac{1}{ x + 2 } in the partial fraction decomposition of

1(x+2)(x2+4x+28), \frac{ 1} { ( x + 2 ) ( x^2 + 4 x + 28 ) },

has the form 1A \frac{1}{A} . What is AA?

By the coverup rule, the coefficient of the term 1x+3 \frac{1}{ x + 3 } in the partial fraction decomposition of

1(x+3)(x+9)(x+16), \frac{ 1} { ( x + 3 ) ( x + 9 )(x+16) },

has the form 1A \frac{1}{A} . What is AA?

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