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Apply the product rule for differentiation: $(f\cdot g)'=f'\cdot g+f\cdot g'$, where $f=
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$\frac{d}{dx}\left(\ln\left(x^2+1\right)\right)\mathrm{sinh}\left(x\right)+\frac{d}{dx}\left(\mathrm{sinh}\left(x\right)\right)\ln\left(x^2+1\right)$
Learn how to solve problems step by step online. Find the derivative using the quotient rule d/dx(ln(x^2+1)sinh(x)). Apply the product rule for differentiation: (f\cdot g)'=f'\cdot g+f\cdot g', where f=. The derivative of the natural logarithm of a function is equal to the derivative of the function divided by that function. If f(x)=ln\:a (where a is a function of x), then \displaystyle f'(x)=\frac{a'}{a}. The derivative of a sum of two or more functions is the sum of the derivatives of each function. The derivative of the constant function (1) is equal to zero.