Question

please solve it no spam please
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Answer 1

Explanation:

(5/7)^-1 X (7/4)^-1

7/5 X 4/7

4/5 [ 7 DIVIDED BY 7 ]

4/5 IS ANSWER.

Answer 2

Given that,

-1 -1

(5/7) × (7/4)

1 1

=(7/5) × (4/7) (by reciprocal power -1

changes

into power 1)

=(7/5) × (4/7)

= 28/35

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