log(2,3)9x^2=log(81,3)
(9 x^2 log(3))/(log(2)) = 1/4
или
x^2 = (log(2))/(36 log(3))
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log(2,3)9x^2=log(81,3)
(9 x^2 log(3))/(log(2)) = 1/4
или
x^2 = (log(2))/(36 log(3))