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Add the values $2$ and $1$
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$derivdef\left(3\right)$
Learn how to solve definition of derivative problems step by step online. Find the derivative of 2+1 using the definition. Add the values 2 and 1. Find the derivative of 3 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 3. Substituting f(x+h) and f(x) on the limit, we get. Subtract the values 3 and -3. Zero divided by anything is equal to zero.