Solve for X if lXl +X =2+I
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given:
Solve for X if lXl +X =2+I
to find:
- solve equation
explanation:
Two cases for :
A. --> --> --> --> ;
B. --> --> --> .
So given inequality holds true in the ranges: and . Which means that can take values only from these ranges.
Now, we are asked which of the following must be true about . Option A can not be ALWAYS true because can be from the range , eg and .
Only option which is ALWAYS true is B. ANY from the ranges and will definitely be more the , all "red", possible x-es are to the right of -1, which means that all possible x-es are more than -1.
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