y" +y = 3 sin 21 +t cos 21

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Q: 10x 19) y Sin'(5x') (ans.: JI-25 x' 20) y= Cot ) (ans.: 1+ x' 6x' 21) y=tan'V4x'- 2 (ans.: (4x'-1…

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A: By using Simpson/Trapoizodal rule.

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