jaymieleigh03
jaymieleigh03 jaymieleigh03
  • 11-04-2018
  • Mathematics
contestada

If x + y is rational, must x and y each be rational?

Respuesta :

blackhole17 blackhole17
  • 16-04-2018
No.

If a rational number can be an integer, x and y could be 5.5 and .5, or something that adds up to (number).0.  This means, if the two non-rational numbers add up, they could be irrational, but the result isn't.
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