Advertisements
Advertisements
Question
______ × `((-2)/5)` = 1.
Advertisements
Solution
`underlinebb((-5)/2) xx ((-2)/5)` = 1.
Explanation:
Let `x xx ((-2)/5) = 1`
⇒ `(-2x)/5 = 1`
⇒ –2x = 5 ...[By cross-multiplication]
⇒ `x = (-5)/2`
Hence, `(-5)/2 xx ((-2)/5) = 1`.
APPEARS IN
RELATED QUESTIONS
Find the product:
`(-6)/9 xx 9/11`
Evaluate:
`(-14)/5 xx (-6)/7`
Evaluate:
`(-11)/9 xx (-51)/(-44)`
Write the Reciprocal (Multiplicative Inverse) of Rational Number, Given Below:
`(-7)/(-8)`
Write the Reciprocal (Multiplicative Inverse) of Rational Number, Given Below:
`15/(-17)`
Multiply:
`(-7)/8 "and" 4`
Verify That`("x"+"y") xx"z"="x"xx"z"+"y"xx"z"`,If
`"x"=4/5,"y"=(-2)/3 and "z"=-4`
Name the multiplication property of rational number show below:
`3/5xx(-8)/9=(-8)/9xx3/5`
Name the multiplication property of rational number show below:
`4/5xx(3/(-8)+(-4)/7)=4/5xx3/(-8)+4/5xx(-4)/7`
Multiply the following rational numbers.
`9/13 xx 4/7`
