Scanned Document - Examisthan€¦ · 18. If d2y + sin x = O , then differential equation is - sin...
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Scanned Document - Examisthan€¦ · 18. If d2y + sin x = O , then differential equation is - sin X + x + C2 COS X + X2 + C2 tan x + c log sin x + cx the solution of this 18. d Y