Question

what are relations???

Rashi - nhi bhulu ....XD​

Answer 1

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In mathematics, a finitary relation over sets X₁, …, Xₙ is a subset of the Cartesian product X₁ × … × Xₙ; that is, it is a set of n-tuples consisting of elements xᵢ in Xᵢ. Typically, the relation describes a possible connection between the elements of an n-tuple

Answer 2

mai spam krr sakti hu kya

History is the study of the past. Events before the invention of writing systems are considered prehistory. "History" is an umbrella term comprising past events as well as the memory, discovery, collection, organization, presentation, and interpretation of these events.