Solve the differential equation using th 
e method of variation of parameters. 
Definitions:
Sodium Chloride
A chemical compound known as table salt, composed of sodium and chlorine atoms, essential for human health but required in moderation.
Molecule
The smallest unit of a chemical compound that can exist, consisting of two or more atoms bonded together.
Compound
A substance formed by the chemical combination of two or more elements in fixed proportions.
Chemical Bonds
The attractive forces that hold atoms together in molecules or crystals, forming as a result of sharing or transferring electrons between atoms.
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