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प्रश्न
Verify the property x × y = y × x of rational numbers by using
`x = 7` and `y = 1/2`
उत्तर
Given, `x = 7` and `y = 1/2`
Then, LHS = x × y
= `7 xx 1/2`
= `7/2`
RHS = y × x
= `1/2 xx 7`
= `7/2`
∴ LHS = RHS
Hence, xy = yx
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