# Partial Derivatives and Appropriate Chain Rule

Not what you're looking for?

Find partial deriv's w/r and w/theta using appropriate chain rule for :

w=the square root of (25-5x^2-5y^2), where x=r cos theta, y= r sin theta.

##### Purchase this Solution

##### Solution Summary

The expert finds partial derivatives for a function using the appropriate chain rule.

##### Solution Preview

w = (25 - 5r^2(cos^2 (theta) + sin^2(theta)))^1/2 or

w = (25 - 5r^2)^1/2 ( as (cos^2 (theta) ...

##### Purchase this Solution

##### Free BrainMass Quizzes

##### Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

##### Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

##### Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

##### Probability Quiz

Some questions on probability

##### Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.