Unformatted text preview: ChE 263 Assignment #18 (Mathcad ® HW #6) Note: This homework assignment is to be done using Mathcad ® . 1. (Competency 2.1, 5.3; 25 points, 5 points each) Find all the roots of the following equations with the most efficient Mathcad ® procedure possible. a. x 2 ൌ 2 b. e x ln x ൌ 10 c. x 2 ൌ tan x5 ≤ x ≤ 5 d. –x 5 10 x 3 – 9x – 10 ൌ 0 e. 3x 2 – 10 – tanhሺxሻ ൌ 0 2. (Competency 2.1, 5.3; 30 points, 10 points each) Find a solution to the following equations using Solve Blocks. If there is no solution, determine the values of the unknowns that result in the least error in the equations. a. x 2 y 2 ൌ 1, x y ൌ 1 b. x 2 sin x ൌ y cos x, y ൌ x 2 ‐ 1 ; 0.5 ≤ x ≤ 0.5 c. ݂ሺݔሻ ൌ ቊ ݔ ଶ 2ݔ െ 1 ݂ݎ ݔ ൏ 1 √ݔ య ݈݃ ଵ ݔ 2 ݂ݎ ݔ 1 ቋ ൌ 0 ; x > 0 3. (Competency 2.1, 3.1.1, 5.3, 6.1; 40 points) The flow of an incompressible fluid through a constant diameter, straight, horizontal pipe, from point 1 to point 2, is described by...
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This note was uploaded on 03/08/2012 for the course CHEM 263 taught by Professor Bradbundy during the Fall '11 term at BYU.
 Fall '11
 BradBundy

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