The question is: If find as a function of x. I differentiated once to get Then again to get The book's answer is . So I guess that means . But I duno why. Did I make a mistake? Can anyone help? Thanks.
Follow Math Help Forum on Facebook and Google+
Originally Posted by tleave2000 The question is: If find as a function of x. I differentiated once to get Then again to get The book's answer is . So I guess that means . But I duno why. Did I make a mistake? Can anyone help? Thanks. Note that . Therefore .
Wow, that's pretty difficult to spot... Thanks alot.
View Tag Cloud