匿名
匿名 發問於 科學及數學數學 · 1 十年前

math question

Let A be a nonempty bounded subset of R such that supA = 6 and inf A = 2.

Let

S ={x/y− xy : x is belong toA, y in the interval [1/2,1)}

Determine the supremum and infimum of S with proof.

1 個解答

評分
還有問題嗎?立即提問即可得到解答。