Implicit differentiation on x^3 + y^3 = 4xy + 1

In summary, implicit differentiation is a method used to find the derivative of a function that is not explicitly written in terms of one variable. It involves treating one variable as the dependent variable and differentiating with respect to the other variable, while treating the dependent variable as a function of the independent variable. To use implicit differentiation, one would first take the derivative of both sides of the equation with respect to x, then apply the chain rule to the y terms, and finally solve for dy/dx. The result of applying implicit differentiation to an equation is an expression for dy/dx in terms of x and y, which can be used to find the slope of the curve at any given point. Implicit differentiation can be applied to any equation, but the
  • #1
the_ace
7
0
1. use implicit differentiation to evaluate y(prime) for x^3+y^3=4xy+1 at the point (2,1)
 
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  • #2


An attempt please?
 
  • #3


(Y=y prime)
3x^2+3y^2Y=4y+4Y
 
  • #4


Yes you are right. Now, solve for Y and sub in the coordinates.
 
  • #5


The derivative of y with respect to x is more commonly wriitten as y', not "Y".
 

FAQ: Implicit differentiation on x^3 + y^3 = 4xy + 1

What is implicit differentiation?

Implicit differentiation is a method used to find the derivative of a function that is not explicitly written in terms of one variable. It involves treating one variable as the dependent variable and differentiating with respect to the other variable, while treating the dependent variable as a function of the independent variable.

How do you use implicit differentiation to find the derivative of x^3 + y^3 = 4xy + 1?

To use implicit differentiation, we treat y as a function of x and use the rules of differentiation to solve for dy/dx. For this particular equation, we would first take the derivative of both sides with respect to x, then apply the chain rule to the y terms, and finally solve for dy/dx.

What is the result of applying implicit differentiation to x^3 + y^3 = 4xy + 1?

After applying implicit differentiation, we will have an expression for dy/dx in terms of x and y. This expression can then be used to find the slope of the curve at any given point on the original equation.

Can implicit differentiation be applied to any equation?

Yes, implicit differentiation can be applied to any equation that is not explicitly written in terms of one variable. However, the resulting derivative may not always be easy to solve or interpret.

What are some real-world applications of implicit differentiation?

Implicit differentiation is commonly used in physics and engineering to solve problems involving related rates, optimization, and curves with changing slopes. It is also used in economics and finance to analyze supply and demand curves and marginal revenue curves.

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