The coefficient of cos (3x) in the Fourie series of f (x) = –kif – T < x < 0, ƒ (x) = kif 0 < x < a, is O k/(3pi) O -k/(3pi) O k/(9pi) O None of the above O 4k/(3pi)

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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The coefficient of cos (3x) in the Fourie series of
f (x) = -kif – T < x < 0, ƒ (x) = kif 0 < x < r, is
k/(3pi)
O -k/(3pi)
O k/(9pi)
None of the above
4k/(3pi)
-4k/(3pi)
-k/(9pi)
Transcribed Image Text:The coefficient of cos (3x) in the Fourie series of f (x) = -kif – T < x < 0, ƒ (x) = kif 0 < x < r, is k/(3pi) O -k/(3pi) O k/(9pi) None of the above 4k/(3pi) -4k/(3pi) -k/(9pi)
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