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OpenStudy (goldrush18):
simplify (2a^-1)^2 /(2a^-1)^-2
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OpenStudy (anonymous):
oops that is wrong. it is \[(2a^{-1})^4=2^4a^{-4}=\frac{16}{a^4}\]
OpenStudy (goldrush18):
thanks i got that too when i tried it
OpenStudy (goldrush18):
i have more that needs to be corrected if im wrong
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