Question
The complete solution set of ‘x’ for |x-1|+|x-2| + |x-3| + |x-4| > 10 is
Â
Options:
A .
(-1,2) U (3, )
|
B .
(- ,0) U (5,)
|
C .
(- ,-2) U (2,)
|
D .
(- ,-1) U (4,)
|
E .
(- ,- 1] U [5, ;)
|
Answer: Option B
:
B
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:
B
Substitute x= 0, we will get f(x) = 10. So when x = -ve we will get f(x) > 10.
Also, we will get f(x) >10 only when x > 5. hence, answer is option (b)
Or we can also go from the answer option and eliminate the wrong options.
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