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Verify associativity of addition of rati...

Verify associativity of addition of rational i.e., `(x+y)+z=x+(y+z),` when: `x=\ (-7)/(11), y=2/(-5),\ z=\ (-3)/(22)` `x=-2, y=3/5,\ z=\ (-4)/3`

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Verify associativity of addition of rational i.e., (x+y)+z=x+(y+z), when: x=\ (-7)/(11), y=2/(-5),\ z=\ (-3)/(22) (ii) x=-2, y=3/5,\ z=\ (-4)/3

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Verify associativity of addition of rational i.e.(x+y)+z=x+(y+z), when: x=(1)/(2),y(2)/(3),z=-(1)/(5)x=(-2)/(5),y=(4)/(3),z=(-7)/(10)

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