UPSC NDA II 2025 Mathematics Paper

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Question : 94 of 120

Marks: +1, -0

If k is an arbitrary constant, then what is the general solution of the equation (x+y)2‌

dy

dx

=k2.

y + x = tan(x + c) + k
x+y=ktan⁡(‌
y−c
k
)
x−y=ktan⁡(‌
y−c
k
)
y - x = tan(x + c) + k

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