Question

An Byn U = (An B ) u U = ?

please help with these A B and U are Sets

Answer 1

Q. Let A = {-1,-3, 3,1} B = { 0, 2,3,4} U = {-3,-1, 0, 1, 2,3,4} Hete U is the universal set 9 2 ( A) B) 0 0 2 = (ANB)? A’UB This is the formula. So, firstly find A'. all the elements is universal set that are not is A. A means So, A' = { 0,2,4] How find B' B' means all the elements present in present in universal set that are not is B. So, B’ = {-3,-1, 1, *} calculate · A'UBY U mean's merge both {0,2,4} {-3,-1,1] A & B elements together A'UB' — { to -3,-1,0,1,2,4} universal set calculate (AUB') A (0) {-3,-1,0,1,2,4} n {-3,-1,0,1,2,3,4 (ANB)'n U={-3,-1, 0, 1, 2, 4} Now, CS Scanned with CamScanner

2 (ANB)' U U = ? In previous example, just calculate (ADB) which is , (AOB)' = A'UB' = { -3, -1, 0, 1, 2,4} Simply, calculate Can B)' U (U) ► Umeans both togethet { -3,-1,0,1,2,4} Ŭ {-3,-1,0,1,2,3,4} → {-3,-1, 0, 1,2,3,4} :: (AN B'U U = {-3,-1,0,1,2,3,4} CS Scanned with CamScanner

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