Math Problem Statement

Derivación implícita respecto a t: Si y = x^2 y dx/dt = 6, entonces, cuando x = 3, encontrar dy/dt.

Solution

The problem requires finding dydt\frac{dy}{dt} using implicit differentiation, given the equation y=x2y = x^2 and dxdt=6\frac{dx}{dt} = 6, with x=3x = 3.

Steps:

  1. Differentiate implicitly with respect to tt: ddt(y)=ddt(x2)\frac{d}{dt}(y) = \frac{d}{dt}(x^2) Applying the chain rule: dydt=2xdxdt\frac{dy}{dt} = 2x \frac{dx}{dt}

  2. Substitute the known values:

    • x=3x = 3
    • dxdt=6\frac{dx}{dt} = 6

    So, dydt=2(3)(6)=36\frac{dy}{dt} = 2(3)(6) = 36

Thus, the value of dydt\frac{dy}{dt} is 36.

Would you like more details on implicit differentiation or anything else? Here are five related questions to expand your understanding:

  1. How does implicit differentiation differ from explicit differentiation?
  2. Can implicit differentiation be applied when both xx and yy are functions of tt?
  3. What is the chain rule, and how does it apply in this case?
  4. How would the solution change if dxdt\frac{dx}{dt} were a different constant?
  5. How can you solve similar problems when yy is a more complex function of xx?

Tip: Always apply the chain rule when differentiating expressions where multiple variables depend on another variable, like tt.

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Math Problem Analysis

Mathematical Concepts

Implicit Differentiation
Derivatives
Chain Rule

Formulas

dy/dt = 2x * (dx/dt)

Theorems

Chain Rule

Suitable Grade Level

High School or Early College (Grades 10-12)