Geometric Progression III

Number Theory Level 1

5 , . . . , 10935 , . . . , 23914845... 5,...,10935,...,23914845...

In the GP above, the Commom Ratio is 3.

10935 and 23914845 are respectively:

9th and 10th term 8th and 15th term 28th and 36th term 11th and 20th term

Victor Paes Plinio by Victor Paes Plinio , 21, Brazil

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

3 solutions

Jashwanth Naidu
Apr 22, 2014

5*3(power)x =10935
3(power)x =2187 then x=7 this is in GP so nth term is ar(power)n-1 10935 is the 8th term

4 Helpful 0 Interesting 0 Brilliant 0 Confused
Uahbid Dey
May 2, 2014

5 × 3 p − 1 = 10935 = > p = 8 5\times 3^{p-1} = 10935\; => p=8 5 × 3 q − 1 = 23914845 = > q = 15 5\times 3^{q-1} = 23914845\; => q=15

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Rishi Evans
Apr 27, 2014

nth term= ar^n-1....10935=5*3^n-1....2187=3^n-1......3^7=3^n-1......n=8..

0 Helpful 0 Interesting 0 Brilliant 0 Confused

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...