If A = {1, 3, 4, 2} then number of subset of A which contains atleast two elements About the author Madelyn
subset containing 3 elements ={1,2,3};{1,3,4};{1,2,4} and {2,3,4} A subset containing 4 elements ={1,2,3,4} ∴ there are five subsets containing at least 3 elements. Reply
subset containing 3 elements ={1,2,3};{1,3,4};{1,2,4} and {2,3,4}
A subset containing 4 elements ={1,2,3,4}
∴ there are five subsets containing at least 3 elements.