Question

If A = {1,5,6), write any four subsets of set A.​

Answer 1

Step-by-step explanation:

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

Answered By

toppr

Answer 2

...................