UPSC NDA 2 2022 Mathematics Solved Paper

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Question : 100 of 120

Marks: +1, -0

What is the solution of the differential equation (dy−dx)+cos‌x(dy+dx)=0 ?

[NDA II 2022]

y=tan(‌
x
2
)−x+c
y=‌
1
2
‌tan(‌
x
2
)−x+c
y=2‌tan(‌
x
2
)−x+c
y=tan(‌
x
2
)−2x+c

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