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(3⁴×3⁹)²= (5²×5⁸)³=​

Răspuns :

[tex]\displaystyle{ (3^{4} \cdot 3^{9})^{2} = (3^{4+9})^{2}=(3^{13})^{2}=3^{13 \cdot 2} = 3^{26} }[/tex]

[tex]\displaystyle{ (5^{2} \cdot 5^{8})^{3}=(5^{2+8})^{3}=(5^{10})^{3}= 5^{10 \cdot 3} = 5^{30}}[/tex]