شرکت در آزمون آنلاین ریاضی 1 - درس چهارم: دنباله های حسابی و هندسی | آزمون شماره 5105

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64

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$\frac{1}{\sqrt{2}},-\frac{1}{\sqrt{6}}\,,\,\,\frac{1}{3\sqrt{2}}\,,\,-\frac{1}{3\sqrt{6}}\,,\,\,\frac{1}{9\sqrt{2}}\,,\,...$

$\frac{1}{\sqrt{2}},-\frac{1}{2}\,,\,\,\frac{1}{2\sqrt{2}}\,,\,-\frac{1}{4}\,,\,\,\frac{1}{4\sqrt{2}}\,,\,...$

$\frac{1}{\sqrt{2}},\frac{1}{2\sqrt{2}}\,,\,\,\frac{1}{8\sqrt{2}}\,,\,\frac{1}{16\sqrt{2}}\,,\,\,\frac{1}{64\sqrt{2}}\,,\,...$

$\frac{1}{\sqrt{3}},\frac{1}{2}\,,\,\,\frac{\sqrt{3}}{4}\,,\,\frac{3}{8}\,,\,\,\frac{3\sqrt{3}}{16}\,,\,...$

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