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OpenStudy (anonymous):
can i reduce this equation (x^4-4)^1/2 to (x^2-2)?
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OpenStudy (anonymous):
no . since you cant write (2^4 - 4)^{1/2} as 2^2-2 (2^4 - 4)^{1/2} = sqrt12 2^2-2 = 2
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