Math, asked by umarafrid786, 8 months ago

If x y are both positiverational no, then
(Wx + y) (Sn- fy) is:

Answers

Answered by layagiddi
1

Step-by-step explanation:

The set of rational numbers is closed for all the four operations, so x+y, x-y, x*y and x/y are rational too. And it is ... A rational number can be expressed as a fraction of two integers. So, x ...

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