Răspuns :

Frapucelid

[tex]b=8^{n+2}:2^{3n}\\b=(2^3)^{n+2}:2^{3n}\\b=2^{3n}*2^6:2^{3n}\\b=2^6\\b=64\\[/tex]

Triunghiul1id

[tex]b=8^{n+2}:2^{3n}=(2^3)^{n+2}:2^{3n}=\\ =2^{3n+6}:2^{3n}=2^{3n+6-3n}=2^6=64[/tex]

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