A universal​ set, with​ n(U) = 30​, is partitioned into three​ subsets: A,​ B, and C.     If​ n(B) = 3​⋅n(A), and​ n(C) = 2​⋅n(B), find the number of elements in the subset A.     ​n(A) = nothing

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A: The given problem is to find the Cartesian product of the given sets {I,J,K} and {W,X}.

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Q: Let A = {1,3} and B = {2,4}. (a) Draw a picture of the set A × B. (b) Compute P(A × B).

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A: let  fa,b=a+b+2+2a+4b+6x+a+b+cx2 and set F=fa,b:a,b∈ℝ claim- to find the value of c if f1,0+f0,1∈F

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A: