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Simplify the derivative by applying the properties of logarithms
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$\frac{d}{dx}\left(-\left(6\ln\left(\cos\left(x\right)\right)+4\ln\left(x^4-5\right)\right)\right)$
Learn how to solve differential calculus problems step by step online. Find the derivative using logarithmic differentiation method ln(((x^4-5)^2)/(cos(x)^6(x^4-5)^6)). Simplify the derivative by applying the properties of logarithms. The derivative of a function multiplied by a constant is equal to the constant times the derivative of the function. The derivative of a sum of two or more functions is the sum of the derivatives of each function. The derivative of a function multiplied by a constant is equal to the constant times the derivative of the function.