Question
Given a=2+3j and b=3-4j , where j=sqrt(-1) , find (use just pencil and paper, not software or calculators) i. a+b ii. a*b iii.
Given
a=2+3j
and
b=3-4j
, where
j=\\\\sqrt(-1)
, find (use just pencil and paper, not software or calculators)\ i.
a+b
\ ii.
a*b
\ iii.
,(a)/(b)
(Realize the denominator)\ Given
A=[[1,2],[-3,-4]],B=[[4,3],[-2,1]]
, and
c={[-2],[1]}
, find (use just pencil and paper, not software or calculators)\ )\ Solve the ordinary differential equation (ODE),
(dx)/(dt)=-2x+4,x(0)=-1
. That is, find the full solution,
x(t)
, using pencil and paper (not using software).\ Problem 1.12 in Textbook.\ 1.12 The displacement of a certain object is described by
y(t)=23sin5t
, where
t
is measured in seconds. Compute its period and its oscillation frequency in rad/sec and in hertz.\ Problem 1.14 in Textbook.\ 1.14 The displacement in meters of a certain vibrating mass is described by
x(t)=0.005sin6t
. What is the amplitude and frequency of its velocity
x^()(t)
? What is the amplitude and frequency of its acceleration
x^()(t)
?
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