DLMF:1.5.E3 (Q120)

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DLMF:1.5.E3
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    Statements

    Defining formula
    ∂ ⁡ f ∂ ⁡ x = D x ⁢ f = f x = lim h → 0 ⁡ f ⁢ ( x + h , y ) - f ⁢ ( x , y ) h , partial-derivative 𝑓 𝑥 subscript 𝐷 𝑥 𝑓 subscript 𝑓 𝑥 subscript → ℎ 0 𝑓 𝑥 ℎ 𝑦 𝑓 𝑥 𝑦 ℎ {\displaystyle{\displaystyle\frac{\partial f}{\partial x}=D_{x}f=f_{x}=\lim_{h% \to 0}\frac{f(x+h,y)-f(x,y)}{h},}}
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    DLMF:1.5.E3
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