The complementary function(C.F.) of the differential equation (D2 + 6D+ 18)y= z is_

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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The complementary function(C.F.) of the differential equation (D2 + 6D + 18)y= x is_
O eš (C1 cos 3 + c2 sin 3x)
O (c1 + C2x)e 3z
O e 3 (C1 cos 3x + c2 sin 3x)
O e (C1 cos 3z – c2 sin 3z)
Transcribed Image Text:The complementary function(C.F.) of the differential equation (D2 + 6D + 18)y= x is_ O eš (C1 cos 3 + c2 sin 3x) O (c1 + C2x)e 3z O e 3 (C1 cos 3x + c2 sin 3x) O e (C1 cos 3z – c2 sin 3z)
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