(D² + 1)y = secx Ans. y = c₁cosx + c₂sinx - 1/2+1/sec²x+2/sin +=sec²x + =sin x ln(secx + tanx)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Using variation of parameter prove that this is the answer for the equation.
 (D^2+1)y = sec^4x

1 1
1
2. (D2 + 1)y=sec*x | Ans. y = c,cosx + c sinx −ất secx + sin
2 6
2
+=sec²x + =sin x ln(secx + tanx)
Transcribed Image Text:1 1 1 2. (D2 + 1)y=sec*x | Ans. y = c,cosx + c sinx −ất secx + sin 2 6 2 +=sec²x + =sin x ln(secx + tanx)
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