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answerhappygod
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by answerhappygod »
- 4 D D2 4d 5 Y 224 3 Cos 4 X 3 Ans Y 1021 697 48 Sin 4x 3 63 Cos 4x 3 E D2 4 Y Sin 1 (29.39 KiB) Viewed 32 times
plz solve all
= 4 (d) (D2 – 4D – 5)y = 224 + 3 cos(4.x + 3) Ans y = -1021 = 697 (48 sin(4x + 3) + 63 cos(4x + 3)] (e) (D2 + 4)y = sin 3x + cos2x Ans y = - } sin 3x + i sin 2x (f) (D2 + 2)y = x3 + x2 + e ) x² -24 + cos 32 Ans y = }(x3 + x2 – 3x – 1) + de 20 – – - - {cos 3x (g) (D2 – 4D + 4)y = 22.1 cos² x Ans y = e21 ( - cos 2x) y = = 6 - = 2 8
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