i need help evaluating this: i know the answer is: however, im not quite sure how to get to it. I can kind of see how I could evaluate it, but is there a more general way to solve these?
i need help evaluating this: i know the answer is: however, im not quite sure how to get to it. I can kind of see how I could evaluate it, but is there a more general way to solve these?
You can re-arrange it into and then use the formula for the sum of an infinite geometric series.