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Simplify the fraction $\frac{b^5}{b^3}$ by $b$
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$derivdef\left(b^{2}\right)$
Learn how to solve definition of derivative problems step by step online. Find the derivative of (b^5)/(b^3) using the definition. Simplify the fraction \frac{b^5}{b^3} by b. Find the derivative of b^{2} 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 b^{2}. Substituting f(x+h) and f(x) on the limit, we get. Expand \left(b+h\right)^{2}. Cancel like terms b^2 and -b^{2}.