MCQOPTIONS
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| 1. |
The equation \[\left| |x-1|+a \right|=4\] can have real solution for x if 'a' belongs to the interval |
| A. | \[(-\infty ,+\infty )\] |
| B. | \[(-\infty ,4]\] |
| C. | \[(4,+\infty )\] |
| D. | \[[-4,4]\] |
| Answer» C. \[(4,+\infty )\] | |