Find the generating function
We have coins of these types: 1, 5, 10, 25, 50 cents and $1.
Find the generating function $\sum_{i=0}^{\infty } a_{i} x^{i} $ where $a_{i}$ is the number of ways you can pay $i$ cents with the coins.
Iamjustjerry
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Answer
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Alessandro Iraci
1.7K

What is the meaning of β here?

It's the product. Just like Ξ£, but it's a product instead.
The answer is accepted.
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