Advertisements
Advertisements
प्रश्न
______ × `((-2)/5)` = 1.
रिकाम्या जागा भरा
Advertisements
उत्तर
`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`.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Find the product:
`3/11xx 2/5`
Evaluate:
`- 16/5 xx 20/8`
Multiply:
`2/7 "and" (-14)/9`
Multiply:
`36/(-7) "and" (-9)/28`
Find the reciprocal(multiplicative inverse)of:
`(-8)/3xx13/(-7)`
Multiply the rational number, given below, by one (1):
`7/(-5)`
For the pair of rational numbers, given below, verify that the multiplication is commutative.
`(-1)/5 "and" 2/9`
Fill the Blank:
The product of two positive rational numbers is always ……………
Fill in the blank:
The numbers ……….. and ……….. are their own reciprocals.
`3/4 xx ((-2)/3)` = ______.
