Zadanie 1
Rozwiąż równania:
a) 3x * 5x = 15 b) 4x * 8x+1 =
log3 (x – 5) = 3 d) log0,1 (2x – 3) = 1
zad2Oblicz:
125 do potegi 1/3=
6 do potegi -2 =
3/7 do potegi -1=
16/81 do potegi 1/4=
0,3do potegi -3=
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a) 3x * 5x = 15
15x = 15 || :15
x = 1
b) 4x * 8x+1 = 32x+1
2.
6 do potęge - 2
1/6 do potęgi 2 czyli 1 / 36
3/7 do potęgi -1
7/3 do potęgi 1 = 7/3 czyli 2 i 1/3
3/10 do potęgo -3
10/3 do potęgo 3
1000/27 = 37 i 1/27