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ⓘ Hasil darab Descartes. Dalam bidang matematik, hasil darab Descartes bagi set X {\displaystyle X} dan set Y {\displaystyle Y}, ditulis X × Y {\displaystyle X\ti ..



Hasil darab Descartes
                                     

ⓘ Hasil darab Descartes

Dalam bidang matematik, hasil darab Descartes bagi set X {\displaystyle X} dan set Y {\displaystyle Y}, ditulis X × Y {\displaystyle X\times Y}, ialah set bagi semua pasangan bertertib di mana unsur pertama pasangan itu adalah ahli X {\displaystyle X} dan unsur kedua pasangan itu adalah ahli Y {\displaystyle Y}. Dalam tatatanda set:

X × Y = { x, y | x ∈ X ∧ y ∈ Y }. {\displaystyle X\times Y=\{x,y|x\in X\wedge y\in Y\}.}

Hasil darab Descartes mendapat nama daripada René Descartes, seorang ahli matematik berbangsa Perancis.

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