Respuesta:
a₁ = 3
Explicación paso a paso:
q = 3
n = 12
S₁₂ =797160
a₁ = ?
[tex]S_n=\frac{a_1(q^n-1)}{q-1}\\\\797160=\frac{a_1(3^1^2-1)}{3-1} \\\\a_1(531441-1)=2*797160\\\\a_1=\frac{1594360}{531440}\\\\a_1=3[/tex]
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Respuesta:
a₁ = 3
Explicación paso a paso:
q = 3
n = 12
S₁₂ =797160
a₁ = ?
[tex]S_n=\frac{a_1(q^n-1)}{q-1}\\\\797160=\frac{a_1(3^1^2-1)}{3-1} \\\\a_1(531441-1)=2*797160\\\\a_1=\frac{1594360}{531440}\\\\a_1=3[/tex]