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Matematiikan perusteet taloustieteilijöille 1a - Oulun yliopiston ...

Matematiikan perusteet taloustieteilijöille 1a - Oulun yliopiston ...

Matematiikan perusteet taloustieteilijöille 1a - Oulun yliopiston ...

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]a, ∞[= {x ∈ R | x > a}<br />

[a, ∞[= {x ∈ R | x ≥ a}<br />

] − ∞, a[= {x ∈ R | x < a}<br />

⎫<br />

⎪⎬<br />

äärettömät<br />

] − ∞, a] = {x ∈ R | x ≤ a}<br />

] − ∞, ∞[= {x ∈ R | − ∞ < x < ∞} = R<br />

⎪⎭<br />

8

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