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:
`9/2 xx ((-7)/4)`
Evaluate:
`7/6 xx (-18)/91`
Write the Reciprocal (Multiplicative Inverse) of Rational Number, Given Below:
5
Multiply the rational number, given below, by one (1):
`7/(-5)`
Multiply the rational number, given below, by one (1):
`(-3)/(-4)`
Multiply the rational number, given below, by one (1):
0
For the pair of rational numbers, given below, verify that the multiplication is commutative.
`(-1)/5 "and" 2/9`
Name the multiplication property of rational number show below:
`8/(-9)xx1=1xx8/(-9)=8/(-9)`
Fill in the blank:
If two rational numbers have opposite signs then their product is always …………..
`1/2 = 6/underline`
