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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
Find the product:
`3/10 xx (-9)`
Find the product:
`3/(-5) xx (-5)/3`
Write the Reciprocal (Multiplicative Inverse) of Rational Number, Given Below:
`(-8)/(-7)`
Find the reciprocal(multiplicative inverse) of:
`3/5xx2/3`
Multiply the rational number, given below, by one (1):
`(-3)/(-4)`
Multiply the rational number, given below, by one (1):
0
For the pair of rational numbers, given below, verify that the multiplication is commutative.
`(-1)/5 "and" 2/9`
Verify that `"x"xx("y"-"z")="x"xx"y"-"x"xx"z,"` if
`"x"=4/5,"y"=-7/4and"z"=3`
______ × `((-2)/5)` = 1.
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when multiplied by y to get x.
