Oblicz, postępując tak, jak w przykładzie a).
a) log₄ 2 = log₄ 4½=½
b) log₈ 2
c) log₃₆ 6
d) log₁₂₅ 5
e) log½ 4
f) log ⅓ 27
g) log1/5 625
h) log1/6 36
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a) log₄ 2 = log₄ 4^(½) = ½
b) log₈ 2 = log8 8^(1/3) = 1/3
c) log₃₆ 6 = log36 36^(1/2) = 1/2
d) log₁₂₅ 5 = log125 125^(1/3) = 1/3
e) log½ 4 = log1/2 (1/2)^(-2) = -2
f) log ⅓ 27 = log1/3 (1/3)^(-3) = - 3
g) log1/5 625 = log1/5 (1/5)^(-4) = -4
h) log1/6 36 = log1/6 (1/6)^(-2) = -2