Respostas
respondido por:
1
Bom dia Virginia!
Solução!
![an=375\\\\\
q=5\\\\\
n=4\\\\\
a1=Primeiro~~termo~~?\\\\\\\\\
Fazendo!\\\\\\
an=a1.q^{n-1} \\\\\\
375=a1.5^{(4-1)}\\\\\
375=a1.5^{3}](https://tex.z-dn.net/?f=an%3D375%5C%5C%5C%5C%5C%0Aq%3D5%5C%5C%5C%5C%5C%0An%3D4%5C%5C%5C%5C%5C%0Aa1%3DPrimeiro%7E%7Etermo%7E%7E%3F%5C%5C%5C%5C%5C%5C%5C%5C%5C%0AFazendo%21%5C%5C%5C%5C%5C%5C%0A%0Aan%3Da1.q%5E%7Bn-1%7D+%5C%5C%5C%5C%5C%5C%0A375%3Da1.5%5E%7B%284-1%29%7D%5C%5C%5C%5C%5C%0A375%3Da1.5%5E%7B3%7D "an=375\\\\\
q=5\\\\\
n=4\\\\\
a1=Primeiro~~termo~~?\\\\\\\\\
Fazendo!\\\\\\
an=a1.q^{n-1} \\\\\\
375=a1.5^{(4-1)}\\\\\
375=a1.5^{3}")
![375=a1.125\\\\\\\
\dfrac{375}{125}=a1\\\\\\
3=a1](https://tex.z-dn.net/?f=375%3Da1.125%5C%5C%5C%5C%5C%5C%5C%0A+%5Cdfrac%7B375%7D%7B125%7D%3Da1%5C%5C%5C%5C%5C%5C%0A3%3Da1+ "375=a1.125\\\\\\\
\dfrac{375}{125}=a1\\\\\\
3=a1")
Bom dia !
Bons estudos!
Solução!
Bom dia !
Bons estudos!
respondido por:
3
Boa tarde!
Dados:
n → 4
q → 5
an → 375
a1 → ?
________________
An=a1·q⁽ⁿ⁻¹⁾
375=a1·5⁽⁴⁻¹⁾
375=a1·5³
375=125·a1
375/125=a1
a1=3
________________
Att;Guilherme Lima
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