Question

Q1) By what number should 7-1 be multiplied so that the product may be equal to (-5)-1?

Answer 1

Answer:

Solution. (−7)−1 = −1/7 (using the property a−1 = 1/a). Hence, 5−1 should be multiplied by −5/7 to obtain (−7)−1.

Step-by-step explanation:

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