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4.
log 125 + log 8 log 5^3 + log 2^3 3log 5 + 3log 2 3(log 5 + log 2)
-------------------- = -------------------------- = --------------------- = ---------------------- = 3/2
log 4 + log 25 log 2^2 + log 5^2 2log 2 + 2log 5 2(log 5 + log 2)
5.
log 3 (x^4 * y^2) = log3 x^4 + log3 y^2 = 4 * 1/2 + 2 * 2 = 2 + 4 = 6
odp. A
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4.
log 125 + log 8 log 5^3 + log 2^3 3log 5 + 3log 2 3(log 5 + log 2)
-------------------- = -------------------------- = --------------------- = ---------------------- = 3/2
log 4 + log 25 log 2^2 + log 5^2 2log 2 + 2log 5 2(log 5 + log 2)
5.
log 3 (x^4 * y^2) = log3 x^4 + log3 y^2 = 4 * 1/2 + 2 * 2 = 2 + 4 = 6
odp. A