u/Artsy_Pop

https://preview.redd.it/4yaszorazb0h1.png?width=746&format=png&auto=webp&s=3a035df04fa8a46064b5578db041779857159a97

idk if my teacher didn't teach us this or what, but is it important to memorize the differentiation rule of a^u=(ln a)(a^u)u'? Cuz my teacher told my class not to worry about it but it popped up on a prac exam and im worried if i need to memorize it.