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Multiply $4200000$ times $\frac{1}{25}$
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$derivdef\left(\frac{168000x}{x}\right)$
Learn how to solve definition of derivative problems step by step online. Find the derivative of (4200000*1/25x)/x using the definition. Multiply 4200000 times \frac{1}{25}. Simplify the fraction \frac{168000x}{x} by x. Find the derivative of 168000 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 168000. Substituting f(x+h) and f(x) on the limit, we get. Subtract the values 168000 and -168000.