Question: Exercise 3 . 4 0 Use partial fractions t o find ? ( ( ) a ( n ) ) when A ( z )

Exercise 3.40
Use partial fractions to find ?(()a(n)) when
A(z)=5z3-23z2+26zz3-7z2+15z-9
Answer: a(n)=2+3(3)n+13n(3)n.
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Exercise 3 . 4 0 Use partial fractions t o find ?

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