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प्रश्न
For the pair of rational numbers, given below, verify that the multiplication is commutative.
`5/(-3) "and" 13/(-11)`
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उत्तर
`= 5/(-3) xx 13/(-11) = (5xx13)/((-3)xx(-11)) = 65/33`
And, `13/(-11) xx 5/(-3) = (13xx5)/((-3)xx(-11)) = 65/33`
`therefore 5/(-3) xx 13/(-11) = 13/(-11) xx 5/(-3)`
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संबंधित प्रश्न
Find the product:
`9/2 xx ((-7)/4)`
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`(-1)/5 "and" 2/9`
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The product of two positive rational numbers is always ……………
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The reciprocal of a positive rational number is ………. and the reciprocal of a negative raitonal number is ……………
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The numbers ……….. and ……….. are their own reciprocals.
`(-5)/3 xx ((-3)/5)` = ______.
Find the odd one out of the following and give reason.
