Let x and y be positive real numbers such that log5 (x + y) + log5 (x – McqOptions

MCQOPTIONS

1.	Let x and y be positive real numbers such that log5 (x + y) + log5 (x - y) = 3, and log2 y - log2 x = 1 - log2 3. Then xy equals
A.	25
B.	150
C.	100
D.	250
Answer» C. 100

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