Find the derivative

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SujitTiwari · Answer 1 · 2022-06-18T10:11:07+0000

\(\frac{dy}{dx} = \frac{d}{dx} cos^{-1}(3x-1)\)

\(= \frac{-1}{\sqrt{1-(3x - 1)^2}}\frac d{dx}(3x - 1)\)

\(= \frac{-3}{\sqrt{1 - (9x^2 - 6x + 1)}}\)

\(= \frac {-3}{\sqrt{6x - 9x^2}}\)