Advertisements
Advertisements
प्रश्न
For the pair of rational numbers, given below, verify that the multiplication is commutative.
`(-1)/5 "and" 2/9`
Advertisements
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`
APPEARS IN
संबंधित प्रश्न
Find the product:
`(-6)/9 xx 9/11`
Evaluate:
`- 16/5 xx 20/8`
Write the Reciprocal (Multiplicative Inverse) of Rational Number, Given Below:
-3
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:
`(-7)/8 "and" 4`
Multiply the rational number, given below, by one (1):
`(-3)/(-4)`
Verify that `"x"=3/4,"y"=8/9and "z"=-5`
Name the multiplication property of rational number show below:
`4/5xx(3/(-8)+(-4)/7)=4/5xx3/(-8)+4/5xx(-4)/7`
Fill in the blank:
The product of two negative rational numbers is always ……………
