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Learn how to solve sum rule of differentiation problems step by step online.
$\frac{d}{dx}\left(x^2\cos\left(2\pi \right)+x\right)$
Learn how to solve sum rule of differentiation problems step by step online. Find the derivative (d/dx)(cos(2*pi)x^2+x) using the sum rule. Simplifying. Simplifying. The derivative of a sum of two or more functions is the sum of the derivatives of each function. The derivative of the linear function is equal to 1.