Word Count : 255

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हम समीकरण [ \frac{d^2y}{dx^2} + a^2 y = \sec(ax) ] को प्राचल विचरण विधि (Variation of Parameters) द्वारा हल करेंगे। सबसे पहले इसे हल करने की प्रक्रिया शुरू करते हैं। 1. सम्बंधित सममित समीकरण का हल (Homogeneous solution): संबंधित सममित समीकरण है: [ \frac{d^2y}{dx^2} + a^2 y = 0 ] इसका _______ ___ ________ _____ __________ _____.
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