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प्रश्न
For the pair of rational numbers, given below, verify that the multiplication is commutative.
`(-1)/5 "and" 2/9`
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उत्तर
`= (-1)/5 xx 2/9 = ((-1)xx2)/(5xx9) = (-2)/45`
And, `2/9 xx ((-1)/5) = (2xx(-1))/(9xx5) = (-2)/45`
`therefore (-1)/5 xx 2/9 = 2/9 xx (-1)/5`
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संबंधित प्रश्न
What should be subtracted from -2 to get `3/8`?
Write the Reciprocal (Multiplicative Inverse) of Rational Number, Given Below:
`5/11`
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Multiply the rational number, given below, by one (1):
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0
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Fill in the blank:
If two rational numbers have opposite signs then their product is always …………..
`(-5)/3 xx ((-3)/5)` = ______.
