Advertisements
Advertisements
Question
Verify the property x × y = y × x of rational numbers by using
`x = (-5)/7` and `y = 14/15`
Solution
Given, `x = (-5)/7` and `y = 14/15`
Then, LHS = x × y
= `(-5)/7 xx 14/15`
= `(-70)/105`
= `(-2)/3`
RHS = y × x
= `14/15 xx (-5)/7`
= `(-70)/105`
= `(-2)/3`
∴ LHS = RHS
Hence, xy = yx
APPEARS IN
RELATED QUESTIONS
Using appropriate properties find
`2/5 xx (-3/7) - 1/6 xx 3/2 + 1/14 xx 2/5`
Name the property under multiplication used in given:
`-19/29 xx 29/(-19) = 1`
Verify commutativty of addition of rational numbers for each of the following pairs of rotional numbers:
Verify commutativty of addition of rational numbers for each of the following pairs of rotional numbers:
Verify commutativty of addition of rational numbers for each of the following pairs of rotional numbers:
Give an example and verify the following statement.
Subtraction is not commutative for rational numbers
Rational numbers can be added or multiplied in any ______.
For all rational numbers x and y, x – y = y – x.
Verify the property x × y = y × x of rational numbers by using
`x = 2/3` and `y = 9/4`
Verify the property x × y = y × x of rational numbers by using
`x = (-3)/8` and `y = (-4)/9`
