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The equation of the curve through (0, (p...

The equation of the curve through `(0, (pi)/(4))` satisfying the differential equation `e^(x) Tan y dx + (1+e^(x)) Sec^(2)y dy = 0` is given by

A

`(1+e^(x))Tany = 2`

B

`1+e^(x) = 2 Tan y`

C

`1+e^(x) = 2Ssec y`

D

`(1+e^(x)) = Tan y = k`

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A
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