Question

If X={1,2,3,.......,10} and A ={1,2,3,4,5}, find the number of subsets of B if B is the subset of X such that A-B ={4}​

Answer 1

Step-by-step explanation:

a={1,2,3,4,5}-B=4

{1,2,3,4,5}-4=B

B={1,2,3,5}

subset of B

1){1}

2){2}

3){3}

4){4}

5){1,2}

6){2,3}

7){3,5}

8){1,2,3}

9){2,3,5}

10){1,2,3,5}

11){null set}

Answer 2

Answer:

32;(2 raised to 5)

Step-by-step explanation:

Answer is attached

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