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Find the derivative of $\frac{13x+2}{12}$ 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 $\frac{13x+2}{12}$. Substituting $f(x+h)$ and $f(x)$ on the limit, we get
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$\lim_{h\to0}\left(\frac{\frac{13\left(x+h\right)+2}{12}-\frac{13x+2}{12}}{h}\right)$
Learn how to solve problems step by step online. Find the derivative of (4x-7)/3=(13x+2)/12 using the definition. Find the derivative of \frac{13x+2}{12} 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 \frac{13x+2}{12}. Substituting f(x+h) and f(x) on the limit, we get. Combine \frac{13\left(x+h\right)+2}{12}-\frac{13x+2}{12} in a single fraction. Divide fractions \frac{\frac{13\left(x+h\right)+2-\left(13x+2\right)}{12}}{h} with Keep, Change, Flip: \frac{a}{b}\div c=\frac{a}{b}\div\frac{c}{1}=\frac{a}{b}\times\frac{1}{c}=\frac{a}{b\cdot c}. Multiply the single term 13 by each term of the polynomial \left(x+h\right).