Question

if an universal set is 3,4,5,6,7,8,9,10,11,12,13 A is 3,4,5,6 then (A')'​

Answer 1

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(i) A = {even numbers}

= {4, 6, 8, 10, 12}

(ii) B = {odd numbers greater then 8}

= {9, 11, 13}

(iii) C = {Prime numbers}

= {5, 7, 11, 13}

(iv) D = {even numbers less than 10}

= {4, 6, 8}

A’= {5, 7, 9, 11, 13},

B’ = {4, 5, 6, 7, 8, 10, 12}

C’ = { 4, 6, 8, 9, 10, 12}

and D’ = {5, 7, 9, 10, 11, 12, 13}

Answer 2

Answer:

It is an Property that always (A')' is always A ie (A')' ={ 3,4,5,6,}

Step-by-step explanation:

A'= U-{A}

(A')'= U- ( A')

= A