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Express each of the following as rationa...

Express each of the following as rational number : `(a) (-5/7)^(-4)` `(b) (2/3)^(-2)`

Text Solution

Verified by Experts

(a) `(-5/7)^-4 = (-7/5)^4 = 2401/625`

(b) `(2/3)^-2 = (3/2)^2 = 9/4`
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