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Differentiating Implicitly
Use implicit differentiation to find dy/dx in Exercises 1–14.
x cos(2x + 3y) = y sin x
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Ch. 3 - Derivatives
Hass15th EditionThomas' CalculusISBN: 9780137616077
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TOC.tableOfContents
- Ch. 1 - Functions155
- Ch. 2 - Limits and Continuity240
- Ch. 3 - Derivatives337
- Ch. 4 - Applications of Derivatives293
- Ch. 5 - Integrals41
- Ch. 6 - Applications of Definite Integrals25
- Ch. 7 - Transcendental Functions490
- Ch. 8 - Techniques of Integration399
- Ch. 9 - First-Order Differential Equations66
- Ch. 10 - Infinite Sequences and Series132
- Ch. 11 - Parametric Equations and Polar Coordinates58
Capitolo 3, Problema 3.3.31
Find the derivatives of all orders of the functions in Exercises 29–32.
y = x⁵ / 120
Guida verificata passo dopo passo1
Step 1: Identify the function given, which is \( y = \frac{x^5}{120} \). This is a polynomial function divided by a constant.
Step 2: Recognize that the derivative of a constant multiplied by a function is the constant multiplied by the derivative of the function. Here, the constant is \( \frac{1}{120} \).
Step 3: Apply the power rule for differentiation, which states that the derivative of \( x^n \) is \( nx^{n-1} \). For the first derivative, differentiate \( x^5 \) to get \( 5x^4 \).
Step 4: Multiply the result from Step 3 by the constant \( \frac{1}{120} \) to get the first derivative: \( y' = \frac{5x^4}{120} \).
Step 5: To find higher order derivatives, continue applying the power rule to the result from the previous derivative, reducing the power of \( x \) by 1 each time, until the derivative becomes zero.
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Derivative
The derivative of a function measures how the function's output value changes as its input value changes. It is defined as the limit of the average rate of change of the function over an interval as the interval approaches zero. In calculus, the derivative is often denoted as f'(x) or dy/dx, and it provides critical information about the function's behavior, such as its slope and concavity.
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Derivatives
Power Rule
The Power Rule is a fundamental technique for finding the derivative of polynomial functions. It states that if y = x^n, where n is a real number, then the derivative y' = n*x^(n-1). This rule simplifies the differentiation process, especially for functions involving powers of x, allowing for quick computation of derivatives for any order.
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Higher-Order Derivatives
Higher-order derivatives refer to the derivatives of a function taken multiple times. The first derivative gives the rate of change, the second derivative provides information about the curvature or acceleration, and so on. For a function y, the nth derivative is denoted as y^(n) or f^(n)(x), and understanding these derivatives is essential for analyzing the function's behavior in greater detail.
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