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प्रश्न
Using appropriate properties find
`2/5 xx (-3/7) - 1/6 xx 3/2 + 1/14 xx 2/5`
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उत्तर १
उत्तर २
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संबंधित प्रश्न
Name the property under multiplication used in given:
`-13/17 xx ((-2)/7) = (-2)/7 xx ((-13)/17)`
Verify commutativty of addition of rational numbers for each of the following pairs of rotional numbers:
Using commutativity and associativity of addition of rational numbers, express each of the following as a rational number:
For all rational numbers x and y, x × y = y × x.
Subtraction of rational number is commutative.
Rational numbers can be added (or multiplied) in any order
`(-4)/5 xx (-6)/5 = (-6)/5 xx (-4)/5`
Using suitable rearrangement and find the sum:
`-5 + 7/10 + 3/7 + (-3) + 5/14 + (-4)/5`
Verify the property x × y = y × x of rational numbers by using
`x = 7` and `y = 1/2`
Verify the property x × y = y × x of rational numbers by using
`x = (-5)/7` and `y = 14/15`
Verify the property x × y = y × x of rational numbers by using
`x = (-3)/8` and `y = (-4)/9`
