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Learn how to solve sum rule of differentiation problems step by step online.
$\frac{d}{dx}\left(4x^2\right)$
Learn how to solve sum rule of differentiation problems step by step online. Find the derivative d/dx(x^2+3x^2) using the sum rule. Simplifying. Apply the product rule for differentiation: (f\cdot g)'=f'\cdot g+f\cdot g', where f=. The derivative of the constant function (4) is equal to zero. Any expression multiplied by 0 is equal to 0.