1. 

   dan r Member

   What is the formula to figure out how to summarise these sort of equations
   
   for example:
   1. v^2 + v^2 + v^4.... + v^16
   
   2. 1 + 1.03v + 1.03^2 v^2 +...+ 1.03^19 v^19
   
   thanks for your help!

    

   dan r, Aug 28, 2017

   #1
2. 

   John Lee ActEd Tutor Staff Member

   I think you meant 1 + v^2 + v^4 + ... in the first equation.
   
   You have geometric series here, so you use the sum of a geometric series formula.

    

   John Lee, Sep 1, 2017

   #2

   dan r likes this.
3. 

   dan r Member

   thanks John! I did mean 1+...

    

   dan r, Sep 2, 2017

   #3

   John Lee likes this.

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