
Use Lagrange multipliers to prove that the triangle with maximum area that has a given perimeter p is equilateral.
Hint: Use Heron’s formula for the area:
where s = p/2 and x, y, z are the lengths of the sides.

Want to see the full answer?
Check out a sample textbook solution
Chapter 11 Solutions
Single Variable Essential Calculus: Early Transcendentals
- 3. Solve the inequality and give your answer in interval notation. Be sure to show all your work, and write neatly so your work is easy to follow. (4 points) 2|3x+12 ≥ 18arrow_forward- 2. In words, interpret the inequality |x8|> 7 the same way I did in the videos. Note: the words "absolute value" should not appear in your answer! (2 points)arrow_forwardFind the tangential and normal components of the acceleration vector for the curve (t) = (2t, -3t5,-3+4) at the point t = 1 ā(1) = T + N Give your answers to two decimal placesarrow_forward
- A gun is fired with muzzle velocity 1152 feet per second at a target 4150 feet away. Find the minimum angle of elevation necessary to hit the target. Assume the initial height of the bullet is 0 feet, neglect air resistance, and give your answer in degrees.arrow_forward"Use the Opposite Method to solve the following differential equation:" 4'"""" + 34" + 34 + 4 = xarrow_forwardFor the curve defined by (t) = (e cos(t), et sin(t)) find the unit tangent vector, unit normal vector, normal acceleration, and tangential acceleration at πT t = 3 П I(3) 丌_3_3 N (1) ат aN || = = =arrow_forward
- Find the velocity vector for the position vector (t) = (sin(9+), 9t10, e¯7). x component = y component = Z component =arrow_forwardIn the xy-plane, an angle 0, in standard position, has a measure of the following is true? T. Which of 3 A The slope of the terminal ray of the angle is 1. B The slope of the terminal ray of the angle is 1. C D 3 The slope of the terminal ray of the angle is ✓ 2 The slope of the terminal ray of the angle is √3.arrow_forwardy'''-3y''+4y=e^2x Find particular solutionarrow_forward
- 1 -1- Ο Graph of f y = + y = 1 + 1/2 ·2· x Graph of g y = 1- 플 The figure gives the graphs of the functions f and g in the xy-plane. The function of is given by f(x) = tan¹ x. Which of the following defines g(x)? A tan 1 x + 1 B - tan 1 x + П 2 C tan-1 (2/2) + 1 D tan-1 (2/2) + 1/1arrow_forwardIn Problems 10-4, use the method of undetermined coefficients to determine the form of a particular solution for the given equation.arrow_forwardIn Problems 10-40, use the method of undetermined coefficients to determine the form of a particular solution for the given equation. 2 1. y"" - 2y" - 5y/+6y= e² + x²arrow_forward
- Mathematics For Machine TechnologyAdvanced MathISBN:9781337798310Author:Peterson, John.Publisher:Cengage Learning,Elementary Geometry for College StudentsGeometryISBN:9781285195698Author:Daniel C. Alexander, Geralyn M. KoeberleinPublisher:Cengage LearningElementary Linear Algebra (MindTap Course List)AlgebraISBN:9781305658004Author:Ron LarsonPublisher:Cengage Learning
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageAlgebra and Trigonometry (MindTap Course List)AlgebraISBN:9781305071742Author:James Stewart, Lothar Redlin, Saleem WatsonPublisher:Cengage LearningElementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,




