Advertisements
Advertisements
प्रश्न
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when multiplied by y to get x.
Advertisements
उत्तर
Given, x = `(-4)/9`, y = `5/12` and z = `7/18`
Suppose, if A is multiplied by y, then we get x.
i.e. A × y = x
⇒ `A xx 5/12 = (-4)/9`
⇒ `A = (-4)/9 xx 12/5 = (-48)/45`
APPEARS IN
संबंधित प्रश्न
Find the product:
`3/7 xx((-2)/5)`
What should be subtracted from -2 to get `3/8`?
Evaluate:
`(-125)/72 xx 9/(-5)`
Multiply:
`36/(-7) "and" (-9)/28`
Multiply:
`3/(-2) "and" (-7)/3`
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`
Name the multiplication property of rational number show below:
`(-3)/4xx(5/7xx(-8)/15)=((-3)/4xx5/7)xx(-8)/15`
Fill in the blank:
The reciprocal of a positive rational number is ………. and the reciprocal of a negative raitonal number is ……………
Fill in the blank:
Rational number 0 has ………….. reciprocal.
