Tentukan nilai x yang memenuhi pertidaksamaan berikut !
1. ²log ( 4x + 8 ) ≤ ²log ( x - 1 )
2. ²log ( 3 - x ) > 3
1. ²log ( 4x + 8 ) ≤ ²log ( x - 1 )
2. ²log ( 3 - x ) > 3
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²log ( 3 - x ) > ²log2^3
(3-x) > 8
3-8 > x
x < -5
1. ²log ( 4x + 8 ) ≤ ²log ( x - 1 )
(4x+8) ≤ (x-1)
3x ≤ -9
x ≤ -3