Question

please tell this is question ​

Answer 1

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Answer 2

Answer:

The value of (x/y)⁻² is 49/625.

Step-by-step explanation:

Lets solve for x/y

(4/7)⁻¹ x (14/20)⁻²

(7/4) x (20/14)²

7/4 x (10/7)²

7/4 x (100/49)

700/196

25/7

∴ x/y = 25/7

Put the value of x/y in (x/y)⁻²

(25/7)⁻²

(7/25)²

49/625

∴ The value of (x/y)⁻² is 49/625.

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