Doing another problem: Show that the rate of change of is proportional to y. I know that you have to find the derivative & somehow find a constant to place in front of y. Stuck here.
Follow Math Help Forum on Facebook and Google+
Originally Posted by zachd77 Doing another problem: Show that the rate of change of is proportional to y. I know that you have to find the derivative & somehow find a constant to place in front of y. Stuck here. what did you get for the derivative of y ?
I got 3^(2x)*(7 ln(5))5^(7x)+5^(7x)*(2 ln(3))9^x... bit messy, best I could do to show y'
thanks!!
View Tag Cloud