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MTH401 Current Midterm paper Shared by Saman, Spring 2014

my today paper of mth401

all mcqz from handouts mostly from last 15 lacture

and all are easy

01. Y = emx then construct an auxiliary equation for

d2y/dx2 +dy/dx+2y=0

Q2. The general solution is the combination of which two solution
Q3. m2+8m+16 is the solution of d2y/dx2+8dyldx +16 =0 then find the general solu-
tion

04. Show the following equation in the form of h(x)=g(y)

d2y/dx2-2 dy/dx+5y=2siny

Q5. By using the newton law show that l

T(t1 -tm)/T (t2 -tm)=ek(t1-t2)

When t(0) =to is initial condition

best of luck to all of you

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