Final Answer
Step-by-step Solution
Specify the solving method
Apply the product rule for differentiation: $(f\cdot g)'=f'\cdot g+f\cdot g'$, where $f=
Learn how to solve differential calculus problems step by step online.
$\frac{d}{dx}\left(xy-1\right)\left(xy+1\right)+\left(xy-1\right)\frac{d}{dx}\left(xy+1\right)$
Learn how to solve differential calculus problems step by step online. Find the derivative of (xy-1)(xy+1). Apply the product rule for differentiation: (f\cdot g)'=f'\cdot g+f\cdot g', where f=. 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. The derivative of the constant function (-1) is equal to zero.