C={1,4,9,16,25,.........,121} Tolong di jawab

C = { himpunan bilangan kuadrat }
C = {n²}
C = { 1,4,9,16,25,36,49,64,81,100,121 }
C = { 1¹,2²,3²,4²,5²,6²,7²,8²,9²,10²,11² }