1.

|1go any sun pug usu (Roy + xĂo) -1 (T.

Answer»

log(x+y) /(3)=1/2(logx+logy)log((x+y)/(3))^=logx+logyLog( x+y)^/(9)=logxy(x+y)^=9xyx^+y^+2xy=9xyx^+y^=9xy-2xyx^+y^=7xyx^+y^/xy=7x^/xy+y^/xy=7x/y+y/x=7



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