No calculator, method not answer please
Follow Math Help Forum on Facebook and Google+
Divide both sides by 3 to obtain: Now take the square of both sides to get: We know that so . This gives: so (you can ofcourse save some steps: )
Last edited by Dinkydoe; Jan 7th 2010 at 11:20 AM.
Originally Posted by Dinkydoe Divide both sides by 3 to obtain: Now take the square of both sides to get: We know that so . This gives: so (you can ofcourse save some steps: ) How did you get 3=2(n-1) from
if this means that Since
Thanks for the formula I can add to my list!