if X^4 + Y^4 = 100, then the greatest possible value of X is between
0 and 3
3 and 6
6 and 9
9 and 12
12 and 15
答案是6 and 9, 不太理解题目的意思, 我选的是0 and 3, 我做的时候以为就是求x的范围啊, 哪位高人帮帮忙~~ 万分感谢
x最大的值是根号10,是比3大的,所以在3和6之间.
旋涡题,嘿嘿
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