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प्रश्न
Choose the correct alternative:
The differential equation of the family of curves y = Aex + Be-x, where A and B are arbitrary constants is
पर्याय
`("d"^2y)/(dx^2) + y = 0`
`("d"^2y)/(dx^2) - y = 0`
`("d"y)/("d"x) + y = 0`
`("d"y)/("d"x) - y = 0`
उत्तर
`("d"^2y)/(dx^2) - y = 0`
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