How do i find the dirivative of y=x-1/2x^2. Thats. y=x - 1 divided by 2x to the power 2. Any help would be greatful. Thanks, James. (where does the math notations everyone seems to use come from? )
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Split the fraction in two pieces, then use the power rule for derivatives. -- LaTeX stuff can be found here.
Originally Posted by james jarvis How do i find the dirivative of y=x-1/2x^2. Thats. y=x - 1 divided by 2x to the power 2. Any help would be greatful. Thanks, James. (where does the math notations everyone seems to use come from? ) We use Latex. (I'll go search for the tutorial and then edit my post and paste it here okay?) --------------- EDIT: Krizalid gave you the link
Thanks for reply. Always makes sense when you see it!
Originally Posted by james jarvis Always makes sense when you see it! You bet!
Your question is not clear. a) Is the 2x under the 1 only or under x as well? b) Is it (2)(x^2) or is it (2x)^2. That is, is it just the x that is raised to power 2 or the 2x? Tell me which is which and I will tell you......how
Originally Posted by jackddog Your question is not clear. a) Is the 2x under the 1 only or under x as well? b) Is it (2)(x^2) or is it (2x)^2. That is, is it just the x that is raised to power 2 or the 2x? Tell me which is which and I will tell you......how Well my approach seems to be correct as he seems happy with it
I think you use the Quotient Rule.
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Originally Posted by james jarvis 
