SOLUTION: If x and the reciprocal of y are the same which of the following must be true? X=y=1 x-y=1 xy=1 xy=-1 x+y=-1

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: If x and the reciprocal of y are the same which of the following must be true? X=y=1 x-y=1 xy=1 xy=-1 x+y=-1      Log On

The condition says  x = ,


which implies  xy = 1.    ANSWER