# Math Help - Can someone check my work?

1. ## Can someone check my work?

Nevermind

2. Originally Posted by EdenM
If anyone can help me understand out to do this problem:

Find a formula for the sum x^{k}+x^{k+1}+x^{k+2}+⋯+x^264

It would be a huge help as I cant figure it out and its been days.

Thanks
It's equal to $(1 + x + x^2 + .... + x^{264}) - (1 + x + x^2 + .... + x^{k-1})$ and you have a geometric series in each bracket ....