4 uždavinys
Sprendimas:
2* log(3,x)+log(3,y) =
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2* log(3,x)+log(3,y) = $$2\cdot log_{3}(x)+log_{3}(y)$$ =
log(3, x^2)+log(3,y) = $$log_{3}(x^{2})+log_{3}(y)$$ =
Paaiškinimas: log(3, x^2* y)$$log_{3}(x^{2}\cdot y)$$
Atsakymas: D