Question

The product of two rational numbers is 1. If one of them is (−13/9), then the other number is:
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Answer 1

It is 1/-13/9 which is equal to -9/13

Answer 2

Answer:

let the rational number be x

product of them

-13/9 × x = 1

x = 1/-13/9

x = -9/13

so your answer is -9/13