Misalkan N himpunan bilangan asli. A = {x | x = 2n - 1, n <

Misalkan N himpunan bilangan asli. A = {x | x = 2n - 1, n < 10, n e N} dan B = {a, b, c, d, e}. Pernyataan berikut benar, kecuali .... a. A x B = B x A b. A = {1, 3, 5, 7, 9, 11, 13, 15, 17} c. n(A x B) = n(B x A) d. n(A x B) = 45 e. n(A x B) = n(A) x n(B)