Recent content by Emma O'shea

The first term is the second term over r. Well spotted! I'll get the hang of this stuff yet! :)) Thanks very much

Hi there everyone! Have a quick question for you. The question is: The sum to infinity of a geometric series is 9/2 The second term of the series is -2 Find the value of r, the common ratio of the series. I understand that we have to use the sum to infinity of a geometric series...

Hi Ya that's the one! Thanks guys! Much appreciated!

:confused: Hi There! I have a quick question and I would really appreciate some guidence! I have three matrix multiplied together like so (horizontal matrix 1 k)(2x2 matrix 3 4 -2 1)(vertical matrix 1 k) equals 11 I'm asked to find two values for k. I've tried multiplying them out...