Question

Find the number of subset and the numbers of proper subset of the following set x=(x2:x€N,x2_100

Answer 1

Answer:

X ={x²: x€ N , x≤2≤10}

it's set builder form

X={2²,3²,4²,5²,6²,7²,8²,9²,10²}

X={4,9,16,25,36,49,64,81,100}