2^{n+3} +2^{n+2} +2^{n-1} _____________________ 2^{n-2}+ 2^{n-1}.... Pergunta de ideia deNatyfelix

Natyfelix @Natyfelix

May 2020 1 62 Report

2^{n+3} +2^{n+2} +2^{n-1}

_____________________

2^{n-2}+ 2^{n-1}

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$\boxed{\frac{2^{n+3} +2^{n+2} +2^{n-1}}{2^{n-2}+ 2^{n-1}}=\frac{8.2^n+4.2^n+\frac{1}{2}.2^n}{\frac{1}{4}.2^n+\frac{1}{2}.2^n}=\frac{\frac{25}{2}.2^n}{\frac{3}{4}.2^n}=\frac{25}{2}.\frac{4}{3}=\frac{50}{3}}$

natyfelix bem não entendi porque 25.4 =50

natyfelix bem não entendi porque deu essa resposta no final 50 /3

monyckmsc ele simplifico por 2

natyfelix ata entendi !

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