Advertisements
Advertisements
प्रश्न
Verify That`("x"+"y") xx"z"="x"xx"z"+"y"xx"z"`,If
`"x"=4/5,"y"=(-2)/3 and "z"=-4`
बेरीज
उत्तर
`"x"=4/5,"y"=(-2)/3 and "z"=-4`
Using, `("x+y")xx"z"="x"xx"z"xx"y"xx"z"`
⇒`(4/5+(-2)/3)xx-4=4/5xx-4+(-2)/3xx-4`
⇒`((4xx3)/(5xx3)-(2xx5)/(3xx5))xx-4=(-16)/5+8/3`
⇒`(12-10)/15xx-4=(-48+40)/15`
⇒ `2/15xx(-4)`
=`(-8)/15=(-8)/15`
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Find the product:
`9/2 xx ((-7)/4)`
Evaluate:
`(-11)/9 xx (-51)/(-44)`
Multiply:
`(-7)/8 "and" 4`
Find the reciprocal (multiplicative inverse) of:
`(-8)/3xx(13)/(-7)`
Multiply the rational number, given below, by one (1):
0
Verify that `"x"=3/4,"y"=8/9and "z"=-5`
Fill in the blank:
The product of two negative rational numbers is always ……………
Multiply the following rational numbers.
`3/5 xx (- 4)/5`
`(-5)/3 xx ((-3)/5)` = ______.
`1/2 = 6/underline`
