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What is the Quotient Rule formula?
\(\frac{d}{dx} \Bigg[\frac{f(x)}{g(x)}\Bigg] = \frac{g(x)f'(x) - f(x)g'(x)}{(g(x))^2}\)
Quotient Rule formula using u and v?
\(\frac{d}{dx} \Bigg[\frac{u}{v}\Bigg] = \frac{vu' - uv'}{v^2}\)
If \(y = \frac{f(x)}{g(x)}\), what is \(\frac{dy}{dx}\)?
\(\frac{dy}{dx} = \frac{g(x)f'(x) - f(x)g'(x)}{(g(x))^2}\)
What is the derivative of \(\frac{e^x}{x}\)?
\(\frac{xe^x - e^x}{x^2}\)
What is the derivative of \(\frac{\sin(x)}{x}\)?
\(\frac{x\cos(x) - \sin(x)}{x^2}\)
What is the derivative of \(\frac{x}{\cos(x)}\)?
\(\frac{\cos(x) + x\sin(x)}{\cos^2(x)}\)
What is the derivative of \(\frac{1}{x^2}\) using the quotient rule?
\(\frac{-2x}{x^4} = \frac{-2}{x^3}\)
What is the derivative of \(\frac{x^2}{e^x}\)?
\(\frac{2xe^x - x^2e^x}{e^{2x}} = \frac{2x - x^2}{e^x}\)
What is the derivative of \(\frac{\ln(x)}{x}\)?
\(\frac{1 - \ln(x)}{x^2}\)
What is the derivative of \(\frac{x+1}{x-1}\)?
\(\frac{(x-1) - (x+1)}{(x-1)^2} = \frac{-2}{(x-1)^2}\)
Define the Quotient Rule.
The Quotient Rule is a method for finding the derivative of a function that is the ratio of two differentiable functions.
When does the Quotient Rule apply?
The Quotient Rule applies when differentiating a function of the form f(x)/g(x), where both f(x) and g(x) are differentiable.
What is a rational function?
A rational function is a function that can be expressed as the quotient of two polynomials.
What is \(f(x)\) in the Quotient Rule?
\(f(x)\) represents the numerator function in the quotient \(\frac{f(x)}{g(x)}\).
What is \(g(x)\) in the Quotient Rule?
\(g(x)\) represents the denominator function in the quotient \(\frac{f(x)}{g(x)}\).
What does \(f'(x)\) represent?
\(f'(x)\) represents the derivative of the function \(f(x)\) with respect to \(x\).
What does \(g'(x)\) represent?
\(g'(x)\) represents the derivative of the function \(g(x)\) with respect to \(x\).
Why is the Quotient Rule important?
It allows us to find derivatives of complex rational functions that cannot be easily simplified or differentiated using other rules.
Is simplification after applying the Quotient Rule necessary?
While not always required, simplifying the derivative after applying the Quotient Rule is often beneficial for further analysis or calculations.
What is the result of the Quotient Rule?
The Quotient Rule yields the derivative of a rational function, indicating the rate of change of the function.
How to find the derivative of \(y = \frac{x^2}{x+1}\)?
1. Identify f(x) = x^2 and g(x) = x+1. 2. Find f'(x) = 2x and g'(x) = 1. 3. Apply the Quotient Rule: \(\frac{(x+1)(2x) - (x^2)(1)}{(x+1)^2}\). 4. Simplify: \(\frac{x^2 + 2x}{(x+1)^2}\).
Steps to differentiate \(y = \frac{\sin(x)}{x^2}\)?
1. Identify f(x) = sin(x) and g(x) = x^2. 2. Find f'(x) = cos(x) and g'(x) = 2x. 3. Apply the Quotient Rule: \(\frac{(x^2)(\cos(x)) - (\sin(x))(2x)}{(x^2)^2}\). 4. Simplify: \(\frac{x\cos(x) - 2\sin(x)}{x^3}\).
How to differentiate \(y = \frac{e^x}{\cos(x)}\)?
1. Identify f(x) = e^x and g(x) = cos(x). 2. Find f'(x) = e^x and g'(x) = -sin(x). 3. Apply the Quotient Rule: \(\frac{(\cos(x))(e^x) - (e^x)(-\sin(x))}{(\cos(x))^2}\). 4. Simplify: \(\frac{e^x(\cos(x) + \sin(x))}{\cos^2(x)}\).
Find \(\frac{dy}{dx}\) for \(y = \frac{x}{\ln(x)}\).
1. Identify f(x) = x and g(x) = ln(x). 2. Find f'(x) = 1 and g'(x) = 1/x. 3. Apply the Quotient Rule: \(\frac{(\ln(x))(1) - (x)(1/x)}{(\ln(x))^2}\). 4. Simplify: \(\frac{\ln(x) - 1}{(\ln(x))^2}\).
Steps to find the derivative of \(y = \frac{1}{x^3+1}\)?
1. Identify f(x) = 1 and g(x) = x^3 + 1. 2. Find f'(x) = 0 and g'(x) = 3x^2. 3. Apply the Quotient Rule: \(\frac{(x^3+1)(0) - (1)(3x^2)}{(x^3+1)^2}\). 4. Simplify: \(\frac{-3x^2}{(x^3+1)^2}\).
Differentiate \(y = \frac{x^3 + 2}{x - 1}\).
1. Identify f(x) = x^3 + 2 and g(x) = x - 1. 2. Find f'(x) = 3x^2 and g'(x) = 1. 3. Apply the Quotient Rule: \(\frac{(x-1)(3x^2) - (x^3+2)(1)}{(x-1)^2}\). 4. Simplify: \(\frac{2x^3 - 3x^2 - 2}{(x-1)^2}\).
How to find \(\frac{dy}{dx}\) if \(y = \frac{e^{2x}}{x}\)?
1. Identify f(x) = e^{2x} and g(x) = x. 2. Find f'(x) = 2e^{2x} and g'(x) = 1. 3. Apply the Quotient Rule: \(\frac{(x)(2e^{2x}) - (e^{2x})(1)}{x^2}\). 4. Simplify: \(\frac{e^{2x}(2x - 1)}{x^2}\).
Steps to differentiate \(y = \frac{\cos(x)}{1 + x}\)?
1. Identify f(x) = cos(x) and g(x) = 1 + x. 2. Find f'(x) = -sin(x) and g'(x) = 1. 3. Apply the Quotient Rule: \(\frac{(1+x)(-\sin(x)) - (\cos(x))(1)}{(1+x)^2}\). 4. Simplify: \(\frac{-\sin(x) - x\sin(x) - \cos(x)}{(1+x)^2}\).
Find the derivative of \(y = \frac{x^2 + 1}{x^2 - 1}\).
1. Identify f(x) = x^2 + 1 and g(x) = x^2 - 1. 2. Find f'(x) = 2x and g'(x) = 2x. 3. Apply the Quotient Rule: \(\frac{(x^2-1)(2x) - (x^2+1)(2x)}{(x^2-1)^2}\). 4. Simplify: \(\frac{-4x}{(x^2-1)^2}\).
How to solve: Differentiate \(y = \frac{\tan(x)}{x}\)?
1. Identify f(x) = tan(x) and g(x) = x. 2. Find f'(x) = sec^2(x) and g'(x) = 1. 3. Apply the Quotient Rule: \(\frac{(x)(\sec^2(x)) - (\tan(x))(1)}{x^2}\). 4. Simplify: \(\frac{x\sec^2(x) - \tan(x)}{x^2}\).