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Sir, pls solve the following.
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Asked by rsudipto | 23 Dec, 2018, 09:07: AM
answered-by-expert Expert Answer
modulus of an expression equals integer. Hence the modulus does not contain any fraction and x = [x].
 
hence | [x] - 2x | = | x-2x| = |-x| = 4
 
two solutions are possible, i.e., x= -4  or x = 4
Answered by Thiyagarajan K | 30 Dec, 2018, 20:00: PM

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