Consider the vector-valued functions æ1(t) = 5t + 6 and æ2(t) = 3e-2t 8t2 + 3t) 3e-2t

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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(3e
and æ2(t) :
5t + 6
,-2t
Consider the vector-valued functions
æ1 (t) =
8t2 + 3t
3e-2t
a. Compute the Wronskian of these two vectors.
Wx(t) = -24e 212+6e
e¯21+ 18e 21%
-2t,
b. On which intervals are the vectors linearly independent? If there is more than one interval, enter a comma-separated list of
intervals.
3
3
The vectors are linearly independent
on the interval(): (-inf,-):(-.1)-(1, inf), help (intervals).
4
4
P11(t) P12(t)
\Pa1 (t) Р(t),
С.
Find a matrix P(t) =
so that æ and æ2 are fundamental solutions to the system homogeneous differential
P22 (t)
equations æ' = P(t)æ.
P11(t) =
P12(t) =
P21 (t) =
P22 (t) =
Transcribed Image Text:(3e and æ2(t) : 5t + 6 ,-2t Consider the vector-valued functions æ1 (t) = 8t2 + 3t 3e-2t a. Compute the Wronskian of these two vectors. Wx(t) = -24e 212+6e e¯21+ 18e 21% -2t, b. On which intervals are the vectors linearly independent? If there is more than one interval, enter a comma-separated list of intervals. 3 3 The vectors are linearly independent on the interval(): (-inf,-):(-.1)-(1, inf), help (intervals). 4 4 P11(t) P12(t) \Pa1 (t) Р(t), С. Find a matrix P(t) = so that æ and æ2 are fundamental solutions to the system homogeneous differential P22 (t) equations æ' = P(t)æ. P11(t) = P12(t) = P21 (t) = P22 (t) =
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