1) Log4 32 - log4 1/2= Log4 (32 / 1/2)= Log4 64= 3
а) 2^(3x-2) = 642^(3x-2) = 2^63x-2 = 63x = 8x = 8/3
б) log3(x-5) + log3 x = log3 6log3((x-5)x) = log3 6(x-5)x = 6x^2 - 5x - 6 = 0(x-6)(x+1) = 0x = 6 or x = -1
начальное уравнение: x > -5/24) log0.3(2x+5)<22x + 5 < 0.3^22x + 5 < 0.092x < -4.91x < -2.455
1) Log4 32 - log4 1/2
= Log4 (32 / 1/2)
= Log4 64
= 3
а) 2^(3x-2) = 64
2^(3x-2) = 2^6
3x-2 = 6
3x = 8
x = 8/3
б) log3(x-5) + log3 x = log3 6
log3((x-5)x) = log3 6
(x-5)x = 6
x^2 - 5x - 6 = 0
(x-6)(x+1) = 0
x = 6 or x = -1
начальное уравнение: x > -5/2
4) log0.3(2x+5)<2
2x + 5 < 0.3^2
2x + 5 < 0.09
2x < -4.91
x < -2.455