Vastus x1 = 10 x2 = 10 h) 0,5 log ( x + 1 ) = log ( 11 - x) Vastus x = 8 i) log 2 x2 = 4 Vastus x = 4 1 j) ln2x - 4lnx- 5 = 0 Vastus x1 = e5 , x2 = e 2 0 k) log11log3log2 1 x Vastus x = 0,75 l) x2+log3x = 38 Vastus x1 = 32 x2 = 3-4 m) 2log ( 5 + x ) = log ( 25 -x2 ) Vastus x = 0 n) log3( 1 + log3( 2x -7 )) = 1 Vastus x= 4 o) log 4log16256 + log4 2 Vastus 0,75 p) 81log9 5 - log8110 Vastus 2,5
1 e j) ln2x - 4lnx- 5 = 0 Vastus x1 = e5 , x2 = 2 0 1 x *k) log11log3log2 Vastus x = 0,75 m) 2log ( 5 + x ) = log ( 25 -x2 ) Vastus x = 0 n) log3( 1 + log3( 2x -7 )) = 1 Vastus x= 4 o) log3 x < 0 Vastus 0 < x < 1 p) ln ( x + 1 ) > 2 Vastus x > e2 - 1
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