Verify that x-y is a rational number when :
1. x-1 , y=5/7.
2. x=-3/7 , y=-2/5.

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Question

Verify that x-y is a rational number when :
1 x-1 , y=5/7
2 x=-3/7 , y=-2/5

Priyanka Kedia · Accepted Answer

(2)x-y=-37-57=-37-57=-37+57=-3+57=-87Since -87 is in the form of pqand 7≠0, therefore x-y=-87 is rational number

Verify that x-y is a rational number when : 1. x-1 , y=5/7. 2. x=-3/7 , y=-2/5.