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Verify the property: x×y=y×x by taking: ...

Verify the property: `x×y=y×x` by taking:
(i)`x=(-1)/3, y=2/7`
(ii) `x=(-3)/5, y=(-11)/(13)`

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(i)`x=(-1)/3, y=2/7`
`=>(-1)/3 xx 2/7=2/7 xx (-1)/3`
`=>(-2)/21=(-2)/21`

(ii) `x=(-3)/5, y=(-11)/(13)`
`=>(-3)/5 xx (-11)/13=(-11)/13 xx (-3)/5`
`=>33/65=33/65`
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