Quotient Rule: Formula, Memory Trick and Worked Examples
The quotient rule: (u/v)’ = (u’v − uv’)/v². Learn the “low d-high minus high d-low” trick, worked examples and when to avoid the rule.
Tag: basics
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Product Rule: Formula, Proof and Step-by-Step Examples
The product rule: (fg)’ = f’g + fg’. See why it works, a proof, worked examples with trig, exponentials and logs, and the triple product rule.
Power Rule for Derivatives: Formula, Proof and 10 Examples
The power rule says d/dx xⁿ = n·xⁿ⁻¹. Learn when it applies, how to use it with roots, fractions and negative exponents, with 10 examples.