How would this be simplified? I understand what would be done if the base on the logarithm were 9 but what happens in a case like this? Any help would be greatly appreciated.
Follow Math Help Forum on Facebook and Google+
Use the fact that .
Originally Posted by Pernello How would this be simplified? I understand what would be done if the base on the logarithm were 9 but what happens in a case like this? Any help would be greatly appreciated.
see formula in image, so that u can clear what is the answer 9 log3 20 = 20 log3 9 = 20 log3 (32) = 20 2 log 33 = 20 2 *1 =20 2 = 400
Last edited by skeeter; July 26th 2012 at 06:46 AM. Reason: deleted link
x = log(3)20 = log(20) / log(3) ; 9^x = ?
View Tag Cloud