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OpenStudy (anonymous):
y=tan^-1(3x^2)
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OpenStudy (anonymous):
Whats the question?
OpenStudy (anonymous):
The derivative of tan^-1 (u) = du/(1 + u^2) So the derivative of tan^-1 (3x^2) = 6x/(1 + 9x^4) Note: If u = 3x^2, then u^2 = (3x^2)(3x^2) = 9x^4
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