Question

write the subset of {7,8}*​

Answer 1

Answer:

7,8

Step-by-step explanation:

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Answer 2

Answer:

Number of elements in A=10

Number of subsets of A containing exactly two elements

= Number of ways we can select 2 elements from 10 elements

10

C

2

=

2

10×9

=45

∴ Number of subsets of A containing exactly two elements =45

Step-by-step explanation:

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