express the following as a rational number with positive exponent [(1/2)-¹/(2/3)²]-²
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{(2-(4/9)}^2
= {(18-4)/9}^2
=(14/9)^2
on simplifying in the above way u will get the answer (14/9)^-2
we can also write it as (9/14)^2
it is by the property that (a/b)^-x=(b/a)^x
so the answer is
(9/14)^2
pls mark as brainliest
= {(18-4)/9}^2
=(14/9)^2
on simplifying in the above way u will get the answer (14/9)^-2
we can also write it as (9/14)^2
it is by the property that (a/b)^-x=(b/a)^x
so the answer is
(9/14)^2
pls mark as brainliest
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