【题目 】Example 8: How many real solutions are there to the equation 2x-11+|x-2|=|x+1| There is/are ( ).(A)I(B)0(C)2(D)3(E)Infinite many 相关知识点: 试题来源: 解析 【解析】 Solution: (E). The original equation can be rewritten as 12x-11+1x-21=1(2x-1)-(x-2)1...
解析 Solution: (E). The original equation can be rewritten as |x-2|+|x-3|=|(x-2)-(x-3)| By property (1), we have (x-2)(x-3)≤0 Solving we get:2≤x≤3 . Therefore, the equation has more than 3 solutions. 反馈 收藏 ...
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Step by step video, text & image solution for How many real solutions does the equation x^7+14 x^5+16 x^3+30 x-560=0 have? by Maths experts to help you in doubts & scoring excellent marks in Class 12 exams.Updated on:21/07/2023Class...
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(US Math kangaroo Problems, Level , Question #) How many real solutions are there for the equation , where represents the greatest integer less than or equal to ?( ) A: B: C: D: E: 相关知识点: 试题来源: 解析 B N/A. 反馈 收藏 ...
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