Thursday

November 27, 2014

November 27, 2014

Posted by **sh** on Tuesday, June 16, 2009 at 9:25pm.

x+3x²+9x³+...

3x²/x

what are the next steps?

Thanks in advance.

- Math -
**drwls**, Wednesday, June 17, 2009 at 12:33amThe ratio of succesasive terms is 3x. This must be less than 1 for the infinite series to have a finite sum. Therefore x < 1/3 is required.

- Math -
**sh**, Wednesday, June 17, 2009 at 2:08amThanks!

**Answer this Question**

**Related Questions**

sum geometric series - what is the sum of geometric infinite series 3/2+ 9/16+ ...

math - 1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4 A)15 B)15/2...

algebra(check) - 1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4 a...

algebra - 1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4 a.15 b....

algebra - 1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4 a.15 b....

algebra - 1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4 a.15 b....

math(need 2nd opinion) - 1)Find a1 in a geometric series for which Sn=300,r=-3,...

algebra - Can someone please help me with this problem? Thanks! Evaluate the ...

CALC II - Determine the convergence of the following series using the nth-...

math - determine the difference between the sum of the infinite geometric series...