Question

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13.Determinati numarul natural x,stiind ca:
a)
$( \frac{2}{3})^{x} = \frac{32}{243}$
b)
$( \frac{3}{2} ) ^{x} = \frac{225}{100}$
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Answer 1

Vezi atasata rezolvarea

Answer 2

Răspuns:

(2/3)ˣ=(2/3)⁵=32/243 => x=5

(3/2)ˣ=(225/100)⁽²⁵=9/4=(3/2)² => x=2