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Apply the product rule for differentiation: $(f\cdot g)'=f'\cdot g+f\cdot g'$, where $f=\left(x+1\right)^3-\left(x-1\right)^3$ and $g=\left(x+1\right)\left(x-1\right)$
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$\frac{d}{dx}\left(\left(x+1\right)^3-\left(x-1\right)^3\right)\left(x+1\right)\left(x-1\right)+\left(\left(x+1\right)^3-\left(x-1\right)^3\right)\frac{d}{dx}\left(\left(x+1\right)\left(x-1\right)\right)$
Learn how to solve differential calculus problems step by step online. Find the derivative of ((x+1)^3-(x-1)^3)(x+1)(x-1). Apply the product rule for differentiation: (f\cdot g)'=f'\cdot g+f\cdot g', where f=\left(x+1\right)^3-\left(x-1\right)^3 and g=\left(x+1\right)\left(x-1\right). Apply the product rule for differentiation: (f\cdot g)'=f'\cdot g+f\cdot g', where f=x+1 and g=x-1. The derivative of a sum of two or more functions is the sum of the derivatives of each function. The derivative of a sum of two or more functions is the sum of the derivatives of each function.