UPSC NDA II 2018 Mathematics Solved Paper

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Question : 77 of 120

Marks: +1, -0

If y=tan−1(‌‌

5−2‌tan‌√x

2+5‌tan‌√x

), then what is

dy

dx

equal to ?

[NDA II 2018]

−
1
2√x
1
−1
1
2√x

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