Matt :13?) - Test *9
Spring2013 " NAME: SQ .
Part A: No calculators are permitted until this sheet has been handed in. '
1. Consider the non-homogeneous differential equation:
4
tzy'l 2ty' + 6y =
3/1 t2
(a) Find the general solution given that yc(t)

4% $235 To! 5
Spring 2013
NAME: SW
Part A: No calculators are permitted until this sheet has been handed in.
. . . d)? 1 6 ~ .
l. The non-homogeneous system of differential equatlons: t = L Ax + F(t) has complementary solutlon
l
1 ]e2 + c2[1]e7 . State t

Mom .235 11ch *1
Spring 2013 "
NAME: 3 9mm
Part A: No calculators are permitted until this sheet has been handed in.
2
1. At the 3 points marked (only), accurately sketch slopeeld lines for g = x? y_+1 . Show calculations to
y
support your work: 2
[3]

MATH 23501 ASSIGNMENT #3 KEY
1. State the general solution for the following DE: V
D(D-7)3(D2+12D+56XD2+5)2y=0 4 I0 owl-u 13.6.
All-Li IO Marl-1 lmlWAM-t SVCMWMC (mull: 2.)
C.E. : r' (F7\3(r+tzr+sc,l(r+s )L =0 a
(3 0 av r :7 (Ml-3) cw- Fl+5=0 =1) r-Tt F5

MATH 205 Solutions to Practice Test 1
1)
P( A) = 0.6 , P(B ) = 0.3 , P( A B ) = 0.2
a)
P( A B ) = P(B )P( A B ) = (0.3)(0.2) = 0.06
b)
P( A B ) = P( A) + P(B ) P( A B ) = 0.6 + 0.3 0.06 = 0.84
c)
P( A B ) P( A B ) = 0.84 0.06 = 0.78
2)
B1 =
brand 1
B2 =
b

Spring 2013
Math 235-01 Test #2
NAME: _
45
Show an appropriate amount of detail. Marks may be deducted for insufficient or incorrect
detail.
Instructions:
Do not open this test until you have been told to do so.
Turn off all electronic devices and remov

Spring 2013
Math 235-01 Test #3
NAME: _
40
Instruction:
Do not open this booklet until you have been told to do so.
Use proper mathematical notation at all times.
The use of the calculator is only permitted on this portion of the exam after the yellow

Spring 2013
Math 235 Test #1
36
NAME: _
Show an appropriate amount of detail. Marks may be deducted for insufficient or incorrect
detail.
Instructions:
Do not open this test until you have been told to do so.
Turn off all electronic devices and remove t

MATH 205 Practice Test 1
/26
Name_
Instructions:
Read the questions carefully. Give detailed solutions. Marks may be deducted for lack of
detail. Use appropriate formulas and notations. Inappropriate notation or lack of notation may
be penalized. Do not r

MATH 235-01
DUE DATE:
1. Consider the IVP
ASSIGNMENT #2
Beginning of class Thursday, Feb 6th
dy
= 3 x 2 y y (1) = 3 .
dx
(a) Use Eulers method with a step size of h = 0.2 to estimate y (1.6)
(b) Use the improved Eulers method with a step size of h = 0.2 t