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The difference of the squares of two terms, divided by the sum of the same terms, is equal to the difference of the terms. In other words: $\displaystyle\frac{a^2-b^2}{a+b}=a-b$.
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$\frac{d}{dw}\left(4w-7\right)$
Learn how to solve differential calculus problems step by step online. Find the derivative of (16w^2-49)/(4w+7). The difference of the squares of two terms, divided by the sum of the same terms, is equal to the difference of the terms. In other words: \displaystyle\frac{a^2-b^2}{a+b}=a-b.. 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 (-7) is equal to zero. The derivative of the linear function times a constant, is equal to the constant.