Page 1 of 1

Is d/dx (a^x)=x a^{x-1}? (a conceptual error in A Level Math

Posted: Mon May 06, 2013 10:36 pm
by mathtuition88
Learn about a common error in H2 A Level Math. (d/dx (a^x)=x a^{x-1})
It is not too commonly tested, but it has appeared in some assessment books, and is theoretically doable by H2 students.
It utilizes chain rule and the idea of e^(ln x)=x.

See the full post at:
http://mathtuition88.wordpress.com/2013 ... evel-math/