K = { 7, 9, 11, 13, 15, 17, 19 }
n(K) = 7
L = { 4, 8, 12, 16, 20 }
n(L) = 5
n(K U L) = n( 7 + 5 ) = 12 ( d )
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K = { 7, 9, 11, 13, 15, 17, 19 }
n(K) = 7
L = { 4, 8, 12, 16, 20 }
n(L) = 5
n(K U L) = n( 7 + 5 ) = 12 ( d )