Question

Срочно логарифмы 2) и 3) задание

Answer 1

2) 4 ^ log4(8) = 8

(2^2)^log2^2(2^3)
(2^2)^(3/2)
2^3
8 

3) log8(12) - log8(15) + log8(20) = 4/3

log8( (12*20) / 15 )

log2^3( (4*20) / 5)

log2^3( 4*4 )

log2^3( 2^4 )

4/3