Question

By what number should (6)-1 be multiplied so that the product becomes 9-1​

Answer 1

Answer:

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Answer 2

Answer:

let required number be x,  

(-6)^-1 × x = 9^-1

-x/6 = 1/9  

-x = 6/9  

x = -2/3

 

-2/3 is the required number