Verify that x-y is a rational number, when (a) x = -5/12, y = 2/3 (b) x = 7/9, y = -2/3.
Answers
Answered by
3
Step-by-step explanation:
(a) -5/12 - 2/3
(-5 - 8)/12
-13/12
(b) 7/9 - (-2/3)
7/9+2/3
(7+6)/9
13/9
Answered by
5
Answer:
answer A
x=-5/12 ,y =2/3
x-y= -5/12-2/3
x-y =-5-8/12. —--------------(12 is LCM )
x-y = -13/12
answer: x-y is rational.
answer B
x=7/9 ,y=-2/3
x-y= 7/9-(-2/3)
x-y=7/9+2/3
x-y=7+6/9. ---------------9 is (LCM)
x-y=13/9
answer: x-y is rational.
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