# Derivative problem (200Q – (Q^2 / 2)- need clarification.

• Nov 2nd 2012, 03:00 PM
scaliva21
Derivative problem (200Q – (Q^2 / 2)- need clarification.
I am trying to solve for the derivative of 200Q – (Q^2 / 2). I am getting 200 + Q. Is that correct?
• Nov 2nd 2012, 03:15 PM
Plato
Re: Derivative problem (200Q – (Q^2 / 2)- need clarification.
Quote:

Originally Posted by scaliva21
I am trying to solve for the derivative of 200Q – (Q^2 / 2). I am getting 200 + Q. Is that correct?

No it is $200-Q$