Ratio+Test


 * The Ratio Test **
 * What is the Ratio Test?! **


 * Use the Ratio Test when… **

- The individual terms approach 0 (zero) - The series alternates signs - "n" appears in exponent or as a factorial


 * How does the //Ratio Test// work?! **



**__ Examples: __** media type="youtube" key="iy8mhbZTY7g" width="425" height="350" media type="youtube" key="gay5CEXnkhA" width="425" height="350"
 * If you still are not comfortable with the Ratio Test, watch these videos and hopefully it will clear things up! **

media type="youtube" key="76BzmM9zDIA" width="425" height="350" **Practice Problems:** Determine whether the series is convergent, divergent, or inconclusive using the //Ratio Test//. ** Solutions to the practice problems: **

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 * Can’t get enough of the Ratio Test?! Play around with this applet! **

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 * Sources: **