Khan/khan-exercises — Issue #9268: Chain rule 1 - answer a and answer d are mathematically equivalent
Author: KhanBugz
Created: 2011-12-22 08:06:26+00:00
State: open
Labels: firefox, other, snowleo

solution is confusing because 2 questions are MATHEMATICALLY identical. though parsed in a different way.

[chain_rule_1.html?seed=121&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/chain_rule_1.html?seed=121&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/chain_rule_1.html?seed=121&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%5C%5C%5C%22%3E4(e%5E%7Bx%7D\)%5E%7B4%7D%3C%2Fcode%3E%5C%22%22%2C15%5D%2C%5B%22correct-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%5C%5C%5C%22%3E(4(e%5E%7Bx%7D\)%5E%7B3%7D\)(e%5E%7Bx%7D\)%3C%2Fcode%3E%5C%22%22%2C23%5D%5D)

["4(e^{x})^{4}","(4(e^{x})^{3})(e^{x})"]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:8.0.1) Gecko/20100101 Firefox/8.0.1

MathJax is loaded, ready, queue length: 0