DE 1. (1-x)y'-4xy +5y = cosx d'u du 2. at 3. d²u कर = d³x dx d²x +(4t-1)- +sin t - dt² dt dt3 4. √√1+(v)³ = [2x+(v²)4] 5. y'-1-ay+y² In (x-1) TYPE ORDER DEGREE LINEARITY

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