1.

If the sum of two numbers m and n is\[\sqrt{\mathbf{22}}\] and their difference  is \[\sqrt{\mathbf{18}}\] (where m > n), then the value of \[\mathbf{lo}{{\mathbf{g}}_{\mathbf{m}}}\mathbf{n}\] is equal to _____

A. 1                                                         
B. 0           
C. \[-1\]        
D. 2
E. None of these
Answer» D. 2


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