given the following: A = {x ∈N : x2 ≤ 50}, B = {x ∈Z : −7 3 ≤ x < 4}, C = {x ∈R : |x| < 2} and D = {x : x is prime numbers less than or equal to 30}. Find (i) A∩B (ii) A∪B (iii) A∩C (iv) B∩D

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A: size of matrix  option B is correct answer

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A: Question is solved.

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Q: ind  ∂2f ∂x2,  ∂2f ∂y2,  ∂2f ∂x∂y, and  ∂2f ∂y∂x. f(x, y) = 1,000 + 6x − 9y

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Q: 6n_ and If (ar + bx) = n+1 k-1 , then 1 (ak – br) = 712 n+2 k-1 k-1

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Q: For all sets X, Y and Z use the element argument method to prove (X – Y) n (Y – Z) n (Z – X) = 4.

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