absolute value

👨🏻‍🏫 學術台數學

2007-04-12 1:45 am

if lxl bigger than 1
so what is x?

回答 (2)

2007-04-12 1:48 am

✔ 最佳答案

lxl >1
There are several range for x :
x < -1 OR x > 1

This is because
lxl = - x (whenx < 0)
lxl = x (whenx > 0)
lxl = 0 (whenx = 0)

👍 0 👎 0

2007-04-12 1:53 am

x is either >1 or <-1

👍 0 👎 0

收錄日期: 2021-04-13 18:53:57
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