October 2018 1 46 Report

1. Oblicz

a) log3x = 3

b) log1/5x=2

c) log7x = -1

d) log3/4 x = -2

e) logx25=2

f) logx2 = - 1/3

2 . Zapisz każde wyrażenie w postaci potęgi liczby 3

a) \frac{1}{9}

b) 81

c) 3\sqrt{3}

d) \frac{1}{3} ^{5}


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