I Cannot seem to get pivots - I'm always a number off. Problem:4 3 02/3 0 -21 3 6 (pivot on 6)I got this answer4 3 08/3 0 01/6 1/2 1The correct answer is4 3 01 0 01/6 1/2 1What did I do wrong?

# I Cannot seem to get pivots - I'm always a number off. Problem:4 3 02/3 0 -21 3 6 (pivot on 6)I got this answer4 3 08/3 0 01/6 1/2 1The correct answer is4 3 01 0 01/6 1/2 1What did I do wrong?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

Question

I Cannot seem to get pivots - I'm always a number off. Problem:

4 3 0

2/3 0 -2

1 3 6 (pivot on 6)

I got this answer

4 3 0

8/3 0 0

1/6 1/2 1

The correct answer is

4 3 0

1 0 0

1/6 1/2 1

What did I do wrong?

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