D douchey New member Joined Feb 1, 2006 Messages 6 Feb 14, 2006 #1 My probelm is (2x^2 + 6x)^2 I think my answer is right, but just wanted to make sure. My answer is : 16x^3 + 36x^2 + 72x Thanks!
My probelm is (2x^2 + 6x)^2 I think my answer is right, but just wanted to make sure. My answer is : 16x^3 + 36x^2 + 72x Thanks!
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,550 Feb 14, 2006 #2 You've posted an expression. But what is the question? What are the instructions for the expression? Please reply with clarification. Thank you. Eliz.
You've posted an expression. But what is the question? What are the instructions for the expression? Please reply with clarification. Thank you. Eliz.
D douchey New member Joined Feb 1, 2006 Messages 6 Feb 14, 2006 #3 Find the derivative of the given function. (2x^2 + 6x)^2 MY ANSWER 16x^3 + 36x^2 + 72x
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,550 Feb 14, 2006 #4 I agree with your first and last terms (so you would appear to be on the right track), but I'm getting a different value for the middle term. Please reply showing your steps. Thank you. Eliz.
I agree with your first and last terms (so you would appear to be on the right track), but I'm getting a different value for the middle term. Please reply showing your steps. Thank you. Eliz.
