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Add the values $12$ and $14$
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$derivdef\left(26\right)$
Learn how to solve definition of derivative problems step by step online. Find the derivative of 12+14 using the definition. Add the values 12 and 14. Find the derivative of 26 using the definition. Apply the definition of the derivative: \displaystyle f'(x)=\lim_{h\to0}\frac{f(x+h)-f(x)}{h}. The function f(x) is the function we want to differentiate, which is 26. Substituting f(x+h) and f(x) on the limit, we get. Subtract the values 26 and -26. Zero divided by anything is equal to zero.