Practice problem
What is the minimum possible value of (x+1x)4−(x4+1x4)(x+\frac{1}{x})^4 - (x^4 + \frac{1}{x^4})(x+x1)4−(x4+x41) over all positive real numbers xxx?
000
101010
141414
232323
Type a concept, like “slope” or “photosynthesis”.
