Odpowiedź:
log₃(1/81) = log₃81⁻¹ = log₃(3⁴)⁻¹ = log₃3⁻⁴ = - 4 ponieważ 3⁻⁴ = 1/81
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Odpowiedź:
log₃(1/81) = log₃81⁻¹ = log₃(3⁴)⁻¹ = log₃3⁻⁴ = - 4 ponieważ 3⁻⁴ = 1/81