Mathematically speaking, we can say that integer y is a root of a when it's possible to take some integer root of a to get y. For example, 3 is a root of 27 because we can take the cube root of 27, 27, to get 3. We want to define a new predicate called IsRoot (y, x) which tells us that that y is a root of a. Note: IsRoot (x,x) will be true because of the degenerate operation x = =√x.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Mathematically speaking, we can say that integer y is a root of a when it's possible to take some
integer root of a to get y. For example, 3 is a root of 27 because we can take the cube root of 27,
27, to get 3.
We want to define a new predicate called IsRoot (y, x) which tells us that that y is a root of a.
Note: IsRoot (x,x) will be true because of the degenerate operation x = =√x.
Transcribed Image Text:Mathematically speaking, we can say that integer y is a root of a when it's possible to take some integer root of a to get y. For example, 3 is a root of 27 because we can take the cube root of 27, 27, to get 3. We want to define a new predicate called IsRoot (y, x) which tells us that that y is a root of a. Note: IsRoot (x,x) will be true because of the degenerate operation x = =√x.
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