Advertisements
Advertisements
प्रश्न
Verify that `("x"+"y")xx"z"="x"xx"z + y"xx"z",if`
`"x"=2," y"=4/5and "z"=3/(-10)`
Advertisements
उत्तर
`"x"=2," y"=4/5and "z"=3/(-10)`
Using, `("x"+"y")xx"z"="x"xx"z" +"y"xx"z"`
⇒`(2/1+4/5)xx3/(-10)=2xx3/(-10)+4/5xx3/(-10)`
⇒`((2xx5)/(1xx5)+(4xx1)/(5xx1))xx3/(-10)=3/(-5)+6/(-25)`
⇒`((10+4)/5)xx3/(-10)=(-3xx5)/(5xx5)+(-6xx1)/(5xx5)`
⇒`14/5xx3/(-10)=(-15-6)/25`
⇒`(-21)/25=(-21)/25`
APPEARS IN
संबंधित प्रश्न
Find the product:
`3/10 xx (-9)`
Find the product:
`3/11xx 2/5`
Write the Reciprocal (Multiplicative Inverse) of Rational Number, Given Below:
-3
Multiply the rational number, given below, by one (1):
`(-3)/(-4)`
Multiply the rational number, given below, by one (1):
`(-8)/13`
For the pair of rational numbers, given below, verify that the multiplication is commutative.
`5/(-3) "and" 13/(-11)`
Fill in the blank:
Rational number 0 has ………….. reciprocal.
`(-5)/3 xx ((-3)/5)` = ______.
`(-6)/7 = underline()/42`
`1/2 = 6/underline`
