Numa pg dados a1 = 2 q = 5 e an = 1250,calcule n ??
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Boa tarde Maheus!
Solução!
Formula da P.G
![\dfrac{1250}{2}=5^{n-1}\\\\\
625=5^{n-1}\\\\\
5^{4}=5^{n-1}\\\\\
4=n-1\\\\
n=4+1\\\\
n=5](https://tex.z-dn.net/?f=+%5Cdfrac%7B1250%7D%7B2%7D%3D5%5E%7Bn-1%7D%5C%5C%5C%5C%5C%0A625%3D5%5E%7Bn-1%7D%5C%5C%5C%5C%5C%0A5%5E%7B4%7D%3D5%5E%7Bn-1%7D%5C%5C%5C%5C%5C%0A4%3Dn-1%5C%5C%5C%5C%0An%3D4%2B1%5C%5C%5C%5C%0An%3D5 "\dfrac{1250}{2}=5^{n-1}\\\\\
625=5^{n-1}\\\\\
5^{4}=5^{n-1}\\\\\
4=n-1\\\\
n=4+1\\\\
n=5")
Boa dia!
Bons estudos!
Solução!
Formula da P.G
Boa dia!
Bons estudos!
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