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Mathematics 9 Online
OpenStudy (anonymous):

find the derivative of Csc^-1 3x a. (-1)/(x√(9x^2 - 1)) b. (3)/(x(√(1-9x^2)) c. (1)/(3x√(9x^2 - 1)) d. (3)/(x√(9x^2 - 1))

sam (.sam.):

-(1)/(x√(9x^(2)-1))

OpenStudy (anonymous):

yes, it's a.

OpenStudy (anonymous):

thx guys

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