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MATHEMATICS

JAMB 2000 - Question 9

Mathematics 2000 JAMB Past Questions - Question 9: Let P = {1, 2, u, v, w, x}; Q = {2, 3, u, v, w, 5, 6, y} and R = {2, 3, 4, v, x, y}.Determine (P-Q) ∩ R

Let P = {1, 2, u, v, w, x}; Q = {2, 3, u, v, w, 5, 6, y} and R = {2, 3, 4, v, x, y}.Determine (P-Q) ∩ R

A: {1, x}

B: {x y}

C: {x}

D: ?

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Correct Answer

Explanation

P = {1,2,u,v,w,x}Q = {2,3,u,v,w,5,6,y}R = {2,3,4,v,x,y}P - Q = {1,x}(P - Q) ∩ R = {1,x} ∩ {2,3,4,v,x,y} = {x}NB: The set P−Q consists of elements that are in P but not in Q.