Question

11. If U = {x:x≤10, x belongs N}the Universal set, A={x: x E N,x is prime) and B = {x:xE N,x is even}, write A n B in roster form.
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Answer 1

Step-by-step explanation:

U={1,2,3,4,5,6,7,8,9,10}

A={2,3,5,7......................}

B={2,4,6,8,10.................}

AnB={2}

Answer 2

Answer:

u = {1,2,3,4,5,6,7,8,9,10},

A = {2,3,5,7), B = {2,4,6,8,10,….}

 ∴ B’ = {1,3,5,7,9}

∴ A ∩ B’ = {3, 5, 7}.