उदाहरण 24 सत्यापित कीजिए कि फलन y=ce cos bx +c,esin bx, जहाँ C,C, स्वेच्छ अचर है, अवकल समीकरण dy²/dx²-2ady/dx+(a²+b²)y=0.
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The Central Government Health Scheme (CGHS) is a health care facility scheme for the existing and former employees of the Central Government of India.
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