9000062902
Level:
A
Find the sum of the following geometric series.
\[
1 + \frac{3}
{2} + \frac{9}
{4} + \frac{27}
{8} + \frac{81}
{16}+\cdots
\]
\(\infty \)
\(- 2\)
\(2\)
\(\frac{2}
{5}\)
Infinite series
9000063401
Level:
A
Identify the quotient of the geometric series
\(\sum _{n=1}^{\infty } \frac{1}
{2^{n-3}} \).
\(\frac{1}
{2}\)
\(2\)
\(1\)
\(\frac{1}
{8}\)
9000063402
Level:
A
Identify the quotient of the geometric series
\(\sum _{n=1}^{\infty }3^{2-n}\).
\(\frac{1}
{3}\)
\(1\)
\(\frac{1}
{9}\)
\(-\frac{1}
{9}\)
9000063403
Level:
A
Evaluate the following infinite product.
\[
2\cdot \sqrt{2}\cdot \root{4}\of{2}\cdot \root{8}\of{2}\cdot \cdots
\]
\(4\)
\(1\)
\(2\)
\(8\)
9000063404
Level:
A
Evaluate the following infinite sum.
\[
\frac{5}
{2} + \frac{5}
{8} + \frac{5}
{32} + \frac{5}
{128}+\cdots
\]
\(\frac{10}
{3} \)
\(5\)
\(4\)
\(\frac{5}
{2}\)
9000063405
Level:
A
Evaluate the following infinite sum.
\[
-\frac{2}
{3} + \frac{1}
{6} -\frac{2}
{6} + \frac{1}
{12} - \frac{2}
{12} + \frac{1}
{24}+\cdots
\]
\(- 1\)
\(-\frac{4}
{3}\)
\(\frac{1}
{3}\)
\(\frac{3}
{2}\)
9000063406
Level:
A
Evaluate the following infinite sum.
\[
\sum _{n=1}^{\infty }\left (-\frac{1}
{2}\right )^{n+2}
\]
\(- \frac{1}
{12}\)
\(-\frac{1}
{8}\)
\(\frac{1}
{2}\)
\(1\)
9000073404
Level:
A
Find the sum of the following infinite series.
\[
\sqrt{2} - 2 + \sqrt{8} - 4 + \sqrt{32} - 8+\cdots
\]
The sum does not exist.
\(\frac{\sqrt{2}}
{1+\sqrt{2}}\)
\(\frac{\sqrt{2}}
{1-\sqrt{2}}\)
\(\sqrt{2} - 2\)
9000073405
Level:
A
Find the sum of the following infinite series.
\[
\sqrt{2} - 1 + \frac{\sqrt{2}}
{2} -\frac{1}
{2} + \frac{\sqrt{2}}
{4} -\frac{1}
{4}+\cdots
\]
\(2\sqrt{2} - 2\)
\(\sqrt{2} - 1\)
\(2\sqrt{2} + 2\)
\(\infty \)
9000073406
Level:
A
Find the sum of the following infinite series.
\[
\sum _{n=1}^{\infty }\left (\frac{\sqrt{2} - 1}
{\sqrt{2}} \right )^{n-1}
\]
\(\sqrt{2}\)
\(\frac{\sqrt{2}+1}
{\sqrt{2}} \)
\(\frac{\sqrt{2}}
{2} \)
Series diverges.