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प्रश्न
Choose the correct alternative:
The solution of `("d"y)/("d"x) = 2^(y - x)` is
विकल्प
2x + 2y = C
2x – 2y = C
`1/2^x - 1/2^y` = C
x + y = C
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उत्तर
`1/2^x - 1/2^y` = C
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