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(3x) la puterea 5=9 la puterea 5 ori 3 la puterea 2 ori 3 la puterea 3

Răspuns :

(3ˣ)⁵=9⁵ * 3² * 3³
(3ˣ)⁵=(3²)⁵ * 3² * 3³
(3ˣ)⁵=3¹⁰ * 3² * 3³
(3ˣ)⁵=3¹⁵
3⁵ˣ = 3¹⁵
3x=15 | :3
x=5