log[x+y/3] = 1/2 (log x + log y), then the value of x/y + y/x is ..........
log \(\left[\cfrac{x+y}{3}\right]\) = \(\cfrac{1}2\) (log x + log y), then the value of \(\cfrac{x}y\) + \(\cfrac{y}x\) is ..........
A) 9
B) 5
C) 7
D) 11
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