The operation T is defined by x T y=1/x+1/y for all nonzero…

The operation T is defined by x T y=1/x+1/y for all nonzero numbers x and y. If z is a number greater than 1, which of the following must be true. I. x T (-z)=0 II. 2/z T 2/z=z III. z T z/z-1=1

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #10178