Question 48
MediumOriginal questionWhich satisfy both and ?
Show the answer and explanation
CorrectNot quiteAnswer D
Correct answer: D
Explanation
The first gives and the second .
Both together: .
Worth noting
Each one alone is only half the answer; 'both' means the overlap.
- Concept
- A system of inequations
- Typical timeTypical
- 90 s
- Your timeYours
- —
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