UPSC 2016 CDS I Math Paper

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Question : 36 of 100
 
Marks: +1, -0
Consider the following statements :
1. There exists a positive real number m such that cosx=2m+1.
2. mn ≥ m + n for all m, n belonging to set of natural numbers.
Which of the above statements is/are correct?
[2016 CDS-I]
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