A) \[[-6,6]\cup [1,3]\]
B) \[[1,2]\]
C) \[[-2,-1]\]
D) \[[-2,-1]\cup [1,2]\]
Correct Answer: D
Solution :
(d): \[\left( |y|-1 \right)\left( |y|-2 \right)\le 0\] \[\Rightarrow |y|\in [1,2]\] \[\Rightarrow y\in [-2,-1]\cup [1,2]\]You need to login to perform this action.
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