Practice problem
Which of the following equals ax−4ax^{-4}ax−4, if a,x≠0a,x\ne0a,x=0?
4ax\frac{4}{ax}ax4
1ax4\frac{1}{ax^4}ax41
(ax)4(\frac{a}{x})^4(xa)4
ax4\frac{a}{x^4}x4a
Type a concept, like “slope” or “photosynthesis”.
