J judjud410 New member Joined Apr 30, 2006 Messages 5 Apr 30, 2006 #1 hi, just wondering how i go about doing these questions Find second derivative of y= e^x cos x Find derivative of y= ln(x+x/1). any help would be appreciated thanks
hi, just wondering how i go about doing these questions Find second derivative of y= e^x cos x Find derivative of y= ln(x+x/1). any help would be appreciated thanks
R royhaas Full Member Joined Dec 14, 2005 Messages 832 May 1, 2006 #2 Use the product rule twice for your first question. Re-write your second question.