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प्रश्न
For the pair of rational numbers, given below, verify that the multiplication is commutative.
`3 "and" (-8)/9`
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उत्तर
`= 3/1 xx (-8)/9 = (1xx(-8))/(1xx3) = (-8)/3`
And, `(-8)/9 xx 3/1 = ((-8)xx1)/(3xx1) = (-8)/3`
`therefore 3 xx (-8)/9 = (-8)/9 xx 3`
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संबंधित प्रश्न
Write the Reciprocal (Multiplicative Inverse) of Rational Number, Given Below:
5
Write the Reciprocal (Multiplicative Inverse) of Rational Number, Given Below:
`(-7)/(-8)`
Write the Reciprocal (Multiplicative Inverse) of Rational Number, Given Below:
`(-8)/(-7)`
Multiply:
`36/(-7) "and" (-9)/28`
Find the reciprocal(multiplicative inverse) of:
`3/5xx2/3`
Name the multiplication property of rational number show below:
`4/5xx(3/(-8)+(-4)/7)=4/5xx3/(-8)+4/5xx(-4)/7`
Name the multiplication property of rational number show below:
`8/(-9)xx1=1xx8/(-9)=8/(-9)`
Fill the Blank:
The product of two positive rational numbers is always ……………
Fill in the blank:
If m is reciprocal of n, then the reciprocal of n is ………….
______ × `((-2)/5)` = 1.
