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प्रश्न
Choose the correct alternative:
The differential equation formed by eliminating A and B from y = e-2x (A cos x + B sin x) is
पर्याय
y2 – 4y1 + 5 = 0
y2 + 4y – 5 = 0
y2 – 4y1 + 5 = 0
y2 + 4y1 – 5 = 0
उत्तर
y2 + 4y1 – 5 = 0
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