Class notes

Practice material 3

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Course
ENGR 213

Institution
Concordia University ( )

Starting from the beginning of the year, here are the tutorial questions completed in class to aid you with the practice of some exercises. These include differential practice numbers as well as theory notes explaining the exercises.

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Uploaded on May 12, 2023
Number of pages 1
Written in 2020/2021
Type Class notes
Professor(s) Dimitry k.
Contains All classes

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Tutorial midterm practice questions package

CA$ 60.77 CA$ 45.62 5 items

1. Class notes - Tutorial questions 1
2. Class notes - Tutorial questions 1
3. Class notes - Tutorial questions 2
4. Class notes - Practice material 3
5. Class notes - Tutorial questions practice
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27) y
+
2y 0
=

if
y
em* =
is a solution of
above differential equation,
what would be the value of
m?

mX
= emx MX
y e
y
me
=
1 =

dX

+
y zy = 0

memx 2emx
+
0
=
D
= em (m 2) +
0
=

m>0
*
** -D
sem. *MPOSSIBLE
m -
=
2
ent

a
-

mo

y"- Sy' by 0 emx what is m?
i
y
=
+ =

m2 enx
ex y1 Yeux
=

y
=
=

m2 em" - SmeMY + GemY 0
=

emx(m2 -
5m 6)
+
0
=

-mx impossible

E
=
0

m2 -
5m 6
+ 0
= D(m
= -

2)(m 3)
-
0
=

m 2
=
and m 3
=

valid
Thus
y=
e2 and yet both are

solutions of
this
diff. equation

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