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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):

letter A here agree or not?

OpenStudy (anonymous):

http://www.wolframalpha.com/input/?i=-x%5E2%2F%28-4%2Bx%5E2%29%5E%283%2F2%29%2B1%2Fsqrt%28-4%2Bx%5E2%29%2B%288+%28-2%2Bx%5E2%29%29%2F%28sqrt%281-4%2Fx%5E2%29+x%5E3+%28-4%2Bx%5E2%29%29&lk=1&a=ClashPrefs_*Math- i see letter A here but im not sure

OpenStudy (phi):

Yes it is A. It took me awhile to realize you wanted the 2nd derivative.

OpenStudy (anonymous):

thanks sir

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