In a times b (a > 0, b > 0), when B () 1, the product is equal to a, when B (), the product is > A, when B (), the product is < a,
In a times b (a > 0, b > 0), when B (=) 1, the product is equal to a, when B (> 1), the product is > A, when B (=) 1, the product is equal to a(