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OpenStudy (anonymous):
what is the second derivative of y = √(x^2 -4) - 2sec^-1 (x/2) with respect to x ? a. 4/(x^2√(x^2-4) b. 4/√(x^2-4) c. -4/(x√(x^2-4) d. 0
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OpenStudy (anonymous):
i get Letter A here. can u pls check guys
sam (.sam.):
Did you asked wolf?
OpenStudy (anonymous):
i forgot to asked it but im not trusted the answer their sometimes
sam (.sam.):
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