To find: The values of A, B, C, D by solving the system of equations using matrices.
Answer to Problem 93E
The values are,
And the partial fraction decomposition is
Explanation of Solution
Given information: A rational expression,
Calculation:
Rewriting the expression,
Multiplying each side by
Two polynomials are equal if and only if the coefficients of like terms are equal. Equating the coefficients we can write the system of linear equations as:
Now the augmented matrix can be written as,
Using row transformations
Now,
The partial fraction decomposition is,
Chapter 7 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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