| 1 | test_denominator = ->
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| 2 | run_test [
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| 3 |
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| 4 | "denominator(2/3)",
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| 5 | "3",
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| 6 |
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| 7 | "denominator(x)",
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| 8 | "1",
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| 9 |
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| 10 | "denominator(1/x)",
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| 11 | "x",
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| 12 |
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| 13 | "denominator(a+b)",
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| 14 | "1",
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| 15 |
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| 16 | "denominator(1/a+1/b)",
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| 17 | "a*b",
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| 18 |
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| 19 | # denominator function expands
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| 20 |
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| 21 | "denominator(1/(x-1)/(x-2))",
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| 22 | "x^2-3*x+2",
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| 23 | ]
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