Question

operation on rational numbers
verify x+y=y+x
i)x= ‐5/14,y= ‐1/21
ii)x= ‐8,y= 9/2​

Answer 1

Answer:

i)x+y=y+x

-5/14+(-1/21)=(-1/21)+(-5/14)

(-15+(-2))=(-2+(-15)

-17=-17

Hence Verified

ii)x+y=y+x

-8+9/2=9/2+(-8)

(-16+9)/2=(9+(-16))/2

-7/2=-7/2

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