Question 2: Which of the following expressions are total differentials, and if they are, what is the function whose differential it is? ● df = ydx-xdy df xdx- ydy = df = 2²²dx + 22 dy • df = da + dy y Question 3: If we measure the position (x, y) of a point P in the plane, and there is a measurement error da on the value of x, and a measurement error dy on the value of y, what is the measurement error on the distance from the origin to the point P?
Question 2: Which of the following expressions are total differentials, and if they are, what is the function whose differential it is? ● df = ydx-xdy df xdx- ydy = df = 2²²dx + 22 dy • df = da + dy y Question 3: If we measure the position (x, y) of a point P in the plane, and there is a measurement error da on the value of x, and a measurement error dy on the value of y, what is the measurement error on the distance from the origin to the point P?
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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Needed to be solved both question correctly in 1 hour and get the thumbs up
These are very easy questions please solve both Q3&,Q2 in the order to get positive feedback must solve both
I am repeating solve both take your time
Transcribed Image Text:Question 2: Which of the following expressions are total differentials, and if they are, what is the function
whose differential it is?
● df = ydx-xdy
df xdx- ydy
=
df = 2²²dx + 2²2 dy
• df = da + dy
y
Question 3: If we measure the position (x, y) of a point P in the plane, and there is a measurement error
de on the value of x, and a measurement error dy on the value of y, what is the measurement error on
the distance from the origin to the point P?
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