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प्रश्न
The product of two rational numbers is -5.If one of these numbers is `(-7)/15`,find the other.
योग
उत्तर
Let the required rational number be =`"x"`
Other number =`(-7)/15`
Product of rational numbers = -5
⇒`(-7)/15xx"x"=-5`
⇒ `-7"x"=-5xx15`
⇒ `"x"=(-75)/(-7)=75/7`
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