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7. Evaluate L{u(t - π/2). COS 2(t- π/2) se-лs/2 se-лs/2 a. $2 b. -se-πs/2 C. s²+4 d. se-πs/2 -S2+4

7. Evaluate L{u(t - π/2). COS 2(t- π/2) se-лs/2 se-лs/2 a. $2 b. -se-πs/2 C. s²+4 d. se-πs/2 -S2+4

Advanced Engineering Mathematics
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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7. Evaluate L{u(t - π/2). COS 2(t- π/2) se-лs/2 se-лs/2 a. $2 b. -se-πs/2 C. s²+4 d. se-πs/2 -S2+4
Transcribed Image Text:7. Evaluate L{u(t - π/2). COS 2(t- π/2) se-лs/2 se-лs/2 a. $2 b. -se-πs/2 C. s²+4 d. se-πs/2 -S2+4
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