Question

By what number should (5/7)_⁵ be multiplied so that the paoduct is 1​

Answer 1

Answer:

Let the required number be x.

∴ (15)−1×x=(−5)−1

⇒151×x=5−1

⇒x=5−15

∴ x=−3

Hence, the required number is −3.

Answer 2

Click on the photo your answer is there