Dictionary:Leibnitz rule/ar

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صيغة للمشتق من الدرجة n بضرب دالتين f و g:

(dⁿ(fg))/(dxⁿ)= ∑ _k[n:k] (d^n–kf)/(dx^n–k) (d^kg)/(dx^k),

where [n:K]=n!/[(n–K)!K!]. Named for Gottfried Wilhelm Leibnitz (1646–1716), German mathematician.